2100660252 has 24 divisors (see below), whose sum is σ = 5015531136. Its totient is φ = 683935728.

The previous prime is 2100660167. The next prime is 2100660283. The reversal of 2100660252 is 2520660012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2035008 + ... + 2036039.

It is an arithmetic number, because the mean of its divisors is an integer number (208980464).

Almost surely, 2^2100660252 is an apocalyptic number.

It is an amenable number.

2100660252 is an abundant number, since it is smaller than the sum of its proper divisors (2914870884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2100660252 is a wasteful number, since it uses less digits than its factorization.

2100660252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4071097 (or 4071095 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2100660252 is about 45832.9603233306. The cubic root of 2100660252 is about 1280.7133580605.

The spelling of 2100660252 in words is "two billion, one hundred million, six hundred sixty thousand, two hundred fifty-two".