102620692972 has 24 divisors (see below), whose sum is σ = 205253135360. Its totient is φ = 43977779280.

The previous prime is 102620692969. The next prime is 102620692973. The reversal of 102620692972 is 279296026201.

It is not an unprimeable number, because it can be changed into a prime (102620692973) 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, 443179 + ... + 633757.

Almost surely, 2^102620692972 is an apocalyptic number.

It is an amenable number.

102620692972 is an abundant number, since it is smaller than the sum of its proper divisors (102632442388).

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

102620692972 is a wasteful number, since it uses less digits than its factorization.

102620692972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209821 (or 209819 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 46.

The spelling of 102620692972 in words is "one hundred two billion, six hundred twenty million, six hundred ninety-two thousand, nine hundred seventy-two".