620828602956 has 36 divisors (see below), whose sum is σ = 1569442256200. Its totient is φ = 206926316928.

The previous prime is 620828602949. The next prime is 620828602957. The reversal of 620828602956 is 659206828026.

620828602956 is a `hidden beast` number, since 6 + 2 + 0 + 8 + 28 + 602 + 9 + 5 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (620828602957) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 229021 + ... + 1137588.

Almost surely, 2^620828602956 is an apocalyptic number.

It is an amenable number.

620828602956 is an abundant number, since it is smaller than the sum of its proper divisors (948613653244).

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

620828602956 is a wasteful number, since it uses less digits than its factorization.

620828602956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1379238 (or 1379233 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 54.

The spelling of 620828602956 in words is "six hundred twenty billion, eight hundred twenty-eight million, six hundred two thousand, nine hundred fifty-six".