1010

Properties by base:

More about this number at Positiv Integers and Number Empire.

The number is not a prime.

Its 3 (3 unique) factors are:
2
5
101

Its 8 divisors are:
1
2
5
10
101
202
505
1010
Its aliquote sum is:
826
makeing it a deficient number.

As Unicode codepoint (since version 1.1) this number represents this character:ϲ GREEK LUNATE SIGMA SYMBOL in Greek (Source: https://www.unicode.org/Public/UCD/latest/ucdxml/ucd.all.grouped.zip); HTML: ϲ

In the work of Johann Sebastian Bach BWV 1010 is Suite 4 in Es

The number appears at position 852 of the decimal digits of π surrounded by
34468503526193118817101000313783875288658753 Source: The Pi-Search Page

Computations done with Math::BigInt 1.999811 and Math::Pari 2.030523 based on PARI/GP 2.11.3 (elapsed: 938.6ms; cpu: 79.5779999999997ms)