102019272920 has 32 divisors (see below), whose sum is σ = 230014749600. Its totient is φ = 40723907328.

The previous prime is 102019272877. The next prime is 102019272941. The reversal of 102019272920 is 29272910201.

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, 2599085 + ... + 2638044.

It is an arithmetic number, because the mean of its divisors is an integer number (7187960925).

Almost surely, 2^102019272920 is an apocalyptic number.

102019272920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102019272920 is an abundant number, since it is smaller than the sum of its proper divisors (127995476680).

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

102019272920 is a wasteful number, since it uses less digits than its factorization.

102019272920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5237627 (or 5237623 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 35.

The spelling of 102019272920 in words is "one hundred two billion, nineteen million, two hundred seventy-two thousand, nine hundred twenty".