20982200 has 24 divisors (see below), whose sum is σ = 48784080. Its totient is φ = 8392800.

The previous prime is 20982193. The next prime is 20982211. The reversal of 20982200 is 228902.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 52256 + ... + 52655.

It is an arithmetic number, because the mean of its divisors is an integer number (2032670).

Almost surely, 2^20982200 is an apocalyptic number.

20982200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20982200 is an abundant number, since it is smaller than the sum of its proper divisors (27801880).

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

20982200 is a wasteful number, since it uses less digits than its factorization.

20982200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104927 (or 104918 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 20982200 is about 4580.6331440097. The cubic root of 20982200 is about 275.8144450475.

The spelling of 20982200 in words is "twenty million, nine hundred eighty-two thousand, two hundred".