620201144620564 has 24 divisors (see below), whose sum is σ = 1168851905559968. Its totient is φ = 286243918005600.

The previous prime is 620201144620543. The next prime is 620201144620573. The reversal of 620201144620564 is 465026441102026.

It is a self number, because there is not a number n which added to its sum of digits gives 620201144620564.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52144302 + ... + 62924005.

Almost surely, 2^{620201144620564} is an apocalyptic number.

It is an amenable number.

620201144620564 is a deficient number, since it is larger than the sum of its proper divisors (548650760939404).

620201144620564 is a wasteful number, since it uses less digits than its factorization.

620201144620564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115171975 (or 115171973 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 43.

The spelling of 620201144620564 in words is "six hundred twenty trillion, two hundred one billion, one hundred forty-four million, six hundred twenty thousand, five hundred sixty-four".