What ⒛ means
It marks item 20 with a full stop.
Unicode describes enclosed alphanumerics as numbered or lettered bullets; the block also preserves forms used by older East Asian character sets.
Don't confuse it with
2Questions people ask
1Why does ⒛ show as a box on some devices?
Because that device's fonts have no glyph for it. The character is still correct and still copies correctly — the box is a missing glyph, not a broken character.
How to type ⒛
Windows (Word)
Alt+XType 249B, then Alt+X to get ⒛.
Windows
Win+Rrun charmap for the full table, or use the emoji picker's Ω symbols tab (Win + .).
macOS
Control+Command+SpaceOpen the character viewer and search “number twenty full stop”.
Linux
Ctrl+Shift+UType 249b, then Enter or Space.
HTML
⒛CSS
\249BUnicode input
Enter U+249B through your editor's Unicode input feature, if available. Compatibility normalization can turn the single glyph into `20.`.
Codes and encoding1 code points
HTML decimal
⒛
HTML hex
⒛
CSS content
content: "\249B";
Each escape is closed by the next backslash; a trailing space is needed before a literal hex digit.
URL encoded
%E2%92%9B
1
On screen
1
Code points
1
JS .length
3
UTF-8 bytes
A visible symbol can contain several code points. JS .length counts UTF-16 units; UTF-8 counts bytes.

