Code point
U+3249
Glyph appearance depends on your fonts.
U+3249
NoU+3249 CIRCLED NUMBER TWENTY ON BLACK SQUARE is a Unicode 16.0.0 character in the Other Number category. It belongs to the Enclosed CJK Letters and Months block.
Choose the representation you need, then copy its value.
U+3249
12873
㉉
㉉
E3 89 89
3249
00003249
%E3%89%89
\u3249
\u3249
\u3249
\3249