102402110189920 has 48 divisors (see below), whose sum is σ = 241937526943728. Its totient is φ = 40958720627200.

The previous prime is 102402110189893. The next prime is 102402110189933. The reversal of 102402110189920 is 29981011204201.

It is a Harshad number since it is a multiple of its sum of digits (40).

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, 13491634 + ... + 19667953.

It is an arithmetic number, because the mean of its divisors is an integer number (5040365144661).

Almost surely, 2^{102402110189920} is an apocalyptic number.

102402110189920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102402110189920 is an abundant number, since it is smaller than the sum of its proper divisors (139535416753808).

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

102402110189920 is a wasteful number, since it uses less digits than its factorization.

102402110189920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33178903 (or 33178895 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 40.

The spelling of 102402110189920 in words is "one hundred two trillion, four hundred two billion, one hundred ten million, one hundred eighty-nine thousand, nine hundred twenty".