10388870020 has 24 divisors (see below), whose sum is σ = 21938515200. Its totient is φ = 4132331232.

The previous prime is 10388869991. The next prime is 10388870033. The reversal of 10388870020 is 2007888301.

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, 1447380 + ... + 1454539.

It is an arithmetic number, because the mean of its divisors is an integer number (914104800).

Almost surely, 2^10388870020 is an apocalyptic number.

10388870020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10388870020 is an abundant number, since it is smaller than the sum of its proper divisors (11549645180).

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

10388870020 is a wasteful number, since it uses less digits than its factorization.

10388870020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2902107 (or 2902105 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 37.

The spelling of 10388870020 in words is "ten billion, three hundred eighty-eight million, eight hundred seventy thousand, twenty".