620201656 has 16 divisors (see below), whose sum is σ = 1202977800. Its totient is φ = 299407584.

The previous prime is 620201641. The next prime is 620201669. The reversal of 620201656 is 656102026.

It is a congruent number.

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, 1336410 + ... + 1336873.

Almost surely, 2^620201656 is an apocalyptic number.

It is an amenable number.

620201656 is a deficient number, since it is larger than the sum of its proper divisors (582776144).

620201656 is a wasteful number, since it uses less digits than its factorization.

620201656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2673318 (or 2673314 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 620201656 is about 24903.8482166913. The cubic root of 620201656 is about 852.7943358630.

The spelling of 620201656 in words is "six hundred twenty million, two hundred one thousand, six hundred fifty-six".