20872533300 has 36 divisors (see below), whose sum is σ = 60391197216. Its totient is φ = 5566008800.

The previous prime is 20872533287. The next prime is 20872533301. The reversal of 20872533300 is 333527802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20872533301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34787256 + ... + 34787855.

It is an arithmetic number, because the mean of its divisors is an integer number (1677533256).

Almost surely, 2^20872533300 is an apocalyptic number.

20872533300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20872533300 is an abundant number, since it is smaller than the sum of its proper divisors (39518663916).

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

20872533300 is a wasteful number, since it uses less digits than its factorization.

20872533300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69575128 (or 69575121 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 33.

The spelling of 20872533300 in words is "twenty billion, eight hundred seventy-two million, five hundred thirty-three thousand, three hundred".