252670820 has 24 divisors (see below), whose sum is σ = 531244224. Its totient is φ = 100947296.

The previous prime is 252670811. The next prime is 252670837. The reversal of 252670820 is 28076252.

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, 10619 + ... + 24861.

It is an arithmetic number, because the mean of its divisors is an integer number (22135176).

Almost surely, 2^252670820 is an apocalyptic number.

252670820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252670820 is an abundant number, since it is smaller than the sum of its proper divisors (278573404).

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

252670820 is a wasteful number, since it uses less digits than its factorization.

252670820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15139 (or 15137 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 252670820 is about 15895.6226678919. The cubic root of 252670820 is about 632.1959314802.

The spelling of 252670820 in words is "two hundred fifty-two million, six hundred seventy thousand, eight hundred twenty".