20862200 has 24 divisors (see below), whose sum is σ = 48505080. Its totient is φ = 8344800.

The previous prime is 20862197. The next prime is 20862211. The reversal of 20862200 is 226802.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 51956 + ... + 52355.

It is an arithmetic number, because the mean of its divisors is an integer number (2021045).

Almost surely, 2^20862200 is an apocalyptic number.

20862200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20862200 is an abundant number, since it is smaller than the sum of its proper divisors (27642880).

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

20862200 is a wasteful number, since it uses less digits than its factorization.

20862200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104327 (or 104318 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 20862200 is about 4567.5157361524. The cubic root of 20862200 is about 275.2876329332.

The spelling of 20862200 in words is "twenty million, eight hundred sixty-two thousand, two hundred".