102890268020 has 24 divisors (see below), whose sum is σ = 216267655968. Its totient is φ = 41118375200.

The previous prime is 102890268011. The next prime is 102890268043. The reversal of 102890268020 is 20862098201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2335886 + ... + 2379525.

It is an arithmetic number, because the mean of its divisors is an integer number (9011152332).

Almost surely, 2^102890268020 is an apocalyptic number.

102890268020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102890268020 is an abundant number, since it is smaller than the sum of its proper divisors (113377387948).

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

102890268020 is a wasteful number, since it uses less digits than its factorization.

102890268020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4716511 (or 4716509 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 38.

The spelling of 102890268020 in words is "one hundred two billion, eight hundred ninety million, two hundred sixty-eight thousand, twenty".