38622020 has 12 divisors (see below), whose sum is σ = 81106284. Its totient is φ = 15448800.

The previous prime is 38622019. The next prime is 38622053. The reversal of 38622020 is 2022683.

It can be written as a sum of positive squares in 2 ways, for example, as 15888196 + 22733824 = 3986^2 + 4768^2 .

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 an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 965531 + ... + 965570.

It is an arithmetic number, because the mean of its divisors is an integer number (6758857).

Almost surely, 2^38622020 is an apocalyptic number.

It is an amenable number.

38622020 is an abundant number, since it is smaller than the sum of its proper divisors (42484264).

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

38622020 is a wasteful number, since it uses less digits than its factorization.

38622020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1931110 (or 1931108 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 38622020 is about 6214.6616963436. The cubic root of 38622020 is about 338.0220216036.

The spelling of 38622020 in words is "thirty-eight million, six hundred twenty-two thousand, twenty".