20038164 has 24 divisors (see below), whose sum is σ = 48020448. Its totient is φ = 6498720.

The previous prime is 20038157. The next prime is 20038171. The reversal of 20038164 is 46183002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20038157) and next prime (20038171).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22122 + ... + 23009.

It is an arithmetic number, because the mean of its divisors is an integer number (2000852).

Almost surely, 2^20038164 is an apocalyptic number.

It is an amenable number.

20038164 is an abundant number, since it is smaller than the sum of its proper divisors (27982284).

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

20038164 is a wasteful number, since it uses less digits than its factorization.

20038164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45175 (or 45173 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 20038164 is about 4476.4007863461. The cubic root of 20038164 is about 271.6143070122.

It can be divided in two parts, 20038 and 164, that added together give a palindrome (20202).

The spelling of 20038164 in words is "twenty million, thirty-eight thousand, one hundred sixty-four".