20533504200 has 96 divisors (see below), whose sum is σ = 69440600160. Its totient is φ = 4977817600.

The previous prime is 20533504183. The next prime is 20533504237. The reversal of 20533504200 is 240533502.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1548969 + ... + 1562168.

It is an arithmetic number, because the mean of its divisors is an integer number (723339585).

Almost surely, 2^20533504200 is an apocalyptic number.

20533504200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20533504200 is an abundant number, since it is smaller than the sum of its proper divisors (48907095960).

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

20533504200 is a wasteful number, since it uses less digits than its factorization.

20533504200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3111167 (or 3111158 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 24.

The spelling of 20533504200 in words is "twenty billion, five hundred thirty-three million, five hundred four thousand, two hundred".