20182200 has 48 divisors (see below), whose sum is σ = 62566680. Its totient is φ = 5381760.

The previous prime is 20182163. The next prime is 20182219. The reversal of 20182200 is 228102.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20182200.

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, 16219 + ... + 17418.

Almost surely, 2^20182200 is an apocalyptic number.

20182200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20182200 is an abundant number, since it is smaller than the sum of its proper divisors (42384480).

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

20182200 is a wasteful number, since it uses less digits than its factorization.

20182200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33656 (or 33647 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 20182200 is about 4492.4603504093. The cubic root of 20182200 is about 272.2635493429.

The spelling of 20182200 in words is "twenty million, one hundred eighty-two thousand, two hundred".