2056625220 has 72 divisors (see below), whose sum is σ = 6235621056. Its totient is φ = 506243712.

The previous prime is 2056625209. The next prime is 2056625237. The reversal of 2056625220 is 225266502.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 91272 + ... + 111551.

It is an arithmetic number, because the mean of its divisors is an integer number (86605848).

Almost surely, 2^2056625220 is an apocalyptic number.

2056625220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2056625220 is an abundant number, since it is smaller than the sum of its proper divisors (4178995836).

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

2056625220 is a wasteful number, since it uses less digits than its factorization.

2056625220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202861 (or 202846 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 2056625220 is about 45350.0299889647. The cubic root of 2056625220 is about 1271.7011159437.

The spelling of 2056625220 in words is "two billion, fifty-six million, six hundred twenty-five thousand, two hundred twenty".