As character names:

U+2487 PARENTHESIZED NUMBER TWENTY character (⒇)

As raw characters:

⒇

As a string of HTML entities:

⒇

Decoder output:

Byte number 1 is decimal 226, hex 0xE2, octal \342, binary 11100010
This is the first byte of a 3 byte sequence.

Byte number 2 is decimal 146, hex 0x92, octal \222, binary 10010010
This is continuation byte 1, expecting 1 more.

Byte number 3 is decimal 135, hex 0x87, octal \207, binary 10000111
This is continuation byte 2, expecting 0 more.

U+2487	PARENTHESIZED NUMBER TWENTY
	# 0028 0032 0030 0029