U+FF20 "＠" Fullwidth Commercial At Unicode Character

U+FF20 "＠" Fullwidth Commercial At is a typographic variant of the standard commercial at sign (@), designed to occupy the same width as a fullwidth CJK (Chinese, Japanese, and Korean) character, taking up two monospaced character cells rather than one. It is encoded in the Halfwidth and Fullwidth Forms block of Unicode, and its primary use is in East Asian text processing where characters are expected to align in a grid, such as in legacy computer systems, terminal emulators, or printed materials that require consistent character widths. While functionally identical to the regular "@" symbol, its fullwidth form ensures visual harmony when used alongside kanji, hiragana, katakana, or other fullwidth punctuation in digital and typographic contexts.

General Properties

Code Point	U+FF20
Version Added	1.1
Name	Fullwidth Commercial At
Block	Halfwidth and Fullwidth Forms
General Category	Other Punctuation
Canonical Combining Class	Not Reordered
Bidirectional Class	Other Neutral
Decomposition Type	Wide
Decomposition Mapping	"@" U+0040 Commercial At

Encodings

HTML Decimal Encoding	＠
HTML Hex Encoding	＠
UTF-8 Encoding	0xEF 0xBC 0xA0
UTF-16 Encoding	0xFF20
UTF-32 Encoding	0x0000FF20
C/C++/Java Escape	\uff20

Unicode Properties

NFC Quick Check	Yes
NFD Quick Check	Yes
Numeric Type	None
Numeric Value	NaN
Line Break	Ideographic
East Asian Width	Fullwidth
Changes When NFKC Casefolded	Yes
NFKC Casefold	"@" U+0040 Commercial At
NFKC Simple Casefold	"@" U+0040 Commercial At
Script	Common
Script Extensions	Common
Indic Syllabic Category	Other
Vertical Orientation	Upright
Grapheme Base	Yes
Grapheme Cluster Break	Other
Word Break	Other
Sentence Break	Other