620425250564 has 24 divisors (see below), whose sum is σ = 1306158423360. Its totient is φ = 251901981216.

The previous prime is 620425250561. The next prime is 620425250579. The reversal of 620425250564 is 465052524026.

It is not an unprimeable number, because it can be changed into a prime (620425250561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 583105907 + ... + 583106970.

It is an arithmetic number, because the mean of its divisors is an integer number (54423267640).

Almost surely, 2^620425250564 is an apocalyptic number.

It is an amenable number.

620425250564 is an abundant number, since it is smaller than the sum of its proper divisors (685733172796).

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

620425250564 is a wasteful number, since it uses less digits than its factorization.

620425250564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166212907 (or 1166212905 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 41.

The spelling of 620425250564 in words is "six hundred twenty billion, four hundred twenty-five million, two hundred fifty thousand, five hundred sixty-four".