20186022 has 32 divisors (see below), whose sum is σ = 42706944. Its totient is φ = 6350400.

The previous prime is 20186017. The next prime is 20186041. The reversal of 20186022 is 22068102.

It is a self number, because there is not a number n which added to its sum of digits gives 20186022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6303 + ... + 8949.

It is an arithmetic number, because the mean of its divisors is an integer number (1334592).

Almost surely, 2^20186022 is an apocalyptic number.

20186022 is an abundant number, since it is smaller than the sum of its proper divisors (22520922).

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

20186022 is a wasteful number, since it uses less digits than its factorization.

20186022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2724.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 20186022 is about 4492.8857096525. The cubic root of 20186022 is about 272.2807348761.

The spelling of 20186022 in words is "twenty million, one hundred eighty-six thousand, twenty-two".