Code point
U+2A0B
Glyph appearance depends on your fonts.
U+2A0B
SmU+2A0B SUMMATION WITH INTEGRAL is a Unicode 16.0.0 character in the Math Symbol category. It belongs to the Supplemental Mathematical Operators block.
Choose the representation you need, then copy its value.
U+2A0B
10763
⨋
⨋
E2 A8 8B
2A0B
00002A0B
%E2%A8%8B
\u2A0B
\u2A0B
\u2A0B
\2A0B