20465022 has 32 divisors (see below), whose sum is σ = 43167744. Its totient is φ = 6458400.

The previous prime is 20464987. The next prime is 20465041. The reversal of 20465022 is 22056402.

It is a self number, because there is not a number n which added to its sum of digits gives 20465022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7572 + ... + 9912.

It is an arithmetic number, because the mean of its divisors is an integer number (1348992).

Almost surely, 2^20465022 is an apocalyptic number.

20465022 is an abundant number, since it is smaller than the sum of its proper divisors (22702722).

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

20465022 is a wasteful number, since it uses less digits than its factorization.

20465022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2424.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 20465022 is about 4523.8282460765. The cubic root of 20465022 is about 273.5294372338.

The spelling of 20465022 in words is "twenty million, four hundred sixty-five thousand, twenty-two".