102020011984 has 20 divisors (see below), whose sum is σ = 215633207520. Its totient is φ = 46372732640.

The previous prime is 102020011969. The next prime is 102020012089. The reversal of 102020011984 is 489110020201.

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, 289829404 + ... + 289829755.

It is an arithmetic number, because the mean of its divisors is an integer number (10781660376).

Almost surely, 2^102020011984 is an apocalyptic number.

It is an amenable number.

102020011984 is an abundant number, since it is smaller than the sum of its proper divisors (113613195536).

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

102020011984 is a wasteful number, since it uses less digits than its factorization.

102020011984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579659178 (or 579659172 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 28.

The spelling of 102020011984 in words is "one hundred two billion, twenty million, eleven thousand, nine hundred eighty-four".