620254056 has 16 divisors (see below), whose sum is σ = 1550635200. Its totient is φ = 206751344.

The previous prime is 620254021. The next prime is 620254067. The reversal of 620254056 is 650452026.

It is a super-2 number, since 2×620254056² = 769430187968902272, which contains 22 as substring.

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, 12921936 + ... + 12921983.

It is an arithmetic number, because the mean of its divisors is an integer number (96914700).

Almost surely, 2^620254056 is an apocalyptic number.

It is an amenable number.

620254056 is an abundant number, since it is smaller than the sum of its proper divisors (930381144).

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

620254056 is a wasteful number, since it uses less digits than its factorization.

620254056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25843928 (or 25843924 counting only the distinct ones).

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

The square root of 620254056 is about 24904.9002407157. The cubic root of 620254056 is about 852.8183523337.

The spelling of 620254056 in words is "six hundred twenty million, two hundred fifty-four thousand, fifty-six".