| Name | CIRCLED NUMBER TWENTY |
| Unicode Version | 1.1 |
| Block（ブロック） | Enclosed Alphanumerics（囲み英数字） |
| Plane（面） | Basic Multilingual Plane（基本多言語面） |
| Script | |
| Category | |
| Bidirectional Class | |
| Combining Class | |
| Character is Mirrored | |
| HTML Entity | ⑳ ⑳ |
| UTF-8 Encoding | ⑳ e291b3 |
| UTF-16 Encoding | ⑳ 2473 |
| UTF-32 Encoding | ⑳ 00002473 |