20873505200 has 30 divisors (see below), whose sum is σ = 50148597204. Its totient is φ = 8349401920.

The previous prime is 20873505197. The next prime is 20873505217. The reversal of 20873505200 is 250537802.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26091482 + ... + 26092281.

Almost surely, 2^20873505200 is an apocalyptic number.

20873505200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20873505200 is an abundant number, since it is smaller than the sum of its proper divisors (29275092004).

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

20873505200 is a wasteful number, since it uses less digits than its factorization.

20873505200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52183781 (or 52183770 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The spelling of 20873505200 in words is "twenty billion, eight hundred seventy-three million, five hundred five thousand, two hundred".