21083562200 has 48 divisors (see below), whose sum is σ = 50159285880. Its totient is φ = 8237295360.

The previous prime is 21083562193. The next prime is 21083562217. The reversal of 21083562200 is 226538012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1217189 + ... + 1234388.

Almost surely, 2^21083562200 is an apocalyptic number.

21083562200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21083562200 is an abundant number, since it is smaller than the sum of its proper divisors (29075723680).

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

21083562200 is a wasteful number, since it uses less digits than its factorization.

21083562200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2451636 (or 2451627 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The spelling of 21083562200 in words is "twenty-one billion, eighty-three million, five hundred sixty-two thousand, two hundred".