102620605524 has 12 divisors (see below), whose sum is σ = 239448079584. Its totient is φ = 34206868504.

The previous prime is 102620605469. The next prime is 102620605541. The reversal of 102620605524 is 425506026201.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×102620605524² (a number of 23 digits) contains 22 as substring.

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, 4275858552 + ... + 4275858575.

It is an arithmetic number, because the mean of its divisors is an integer number (19954006632).

Almost surely, 2^102620605524 is an apocalyptic number.

It is an amenable number.

102620605524 is an abundant number, since it is smaller than the sum of its proper divisors (136827474060).

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

102620605524 is a wasteful number, since it uses less digits than its factorization.

102620605524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8551717134 (or 8551717132 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The spelling of 102620605524 in words is "one hundred two billion, six hundred twenty million, six hundred five thousand, five hundred twenty-four".