210790220 has 12 divisors (see below), whose sum is σ = 442659504. Its totient is φ = 84316080.

The previous prime is 210790211. The next prime is 210790231. The reversal of 210790220 is 22097012.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5269736 + ... + 5269775.

It is an arithmetic number, because the mean of its divisors is an integer number (36888292).

Almost surely, 2^210790220 is an apocalyptic number.

210790220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210790220 is an abundant number, since it is smaller than the sum of its proper divisors (231869284).

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

210790220 is a wasteful number, since it uses less digits than its factorization.

210790220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10539520 (or 10539518 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 210790220 is about 14518.6163252563. The cubic root of 210790220 is about 595.1368185707.

The spelling of 210790220 in words is "two hundred ten million, seven hundred ninety thousand, two hundred twenty".