506645632020 has 96 divisors (see below), whose sum is σ = 1629023316480. Its totient is φ = 116358802560.

The previous prime is 506645632019. The next prime is 506645632069. The reversal of 506645632020 is 20236546605.

It is a self number, because there is not a number n which added to its sum of digits gives 506645632020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20188642 + ... + 20213721.

It is an arithmetic number, because the mean of its divisors is an integer number (16968992880).

Almost surely, 2^506645632020 is an apocalyptic number.

It is an amenable number.

506645632020 is an abundant number, since it is smaller than the sum of its proper divisors (1122377684460).

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

506645632020 is a wasteful number, since it uses less digits than its factorization.

506645632020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40402405 (or 40402403 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 39.

The spelling of 506645632020 in words is "five hundred six billion, six hundred forty-five million, six hundred thirty-two thousand, twenty".