100255632020 has 54 divisors (see below), whose sum is σ = 212945762778. Its totient is φ = 39648560000.

The previous prime is 100255632019. The next prime is 100255632031. The reversal of 100255632020 is 20236552001.

It can be written as a sum of positive squares in 9 ways, for example, as 25432594576 + 74823037444 = 159476^2 + 273538^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 143017670 + ... + 143018370.

Almost surely, 2^100255632020 is an apocalyptic number.

100255632020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100255632020 is an abundant number, since it is smaller than the sum of its proper divisors (112690130758).

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

100255632020 is an frugal number, since it uses more digits than its factorization.

100255632020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1613 (or 809 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The spelling of 100255632020 in words is "one hundred billion, two hundred fifty-five million, six hundred thirty-two thousand, twenty".