20792023 has 24 divisors (see below), whose sum is σ = 26593920. Its totient is φ = 16133040.

The previous prime is 20791999. The next prime is 20792027. The reversal of 20792023 is 32029702.

It is a de Polignac number, because none of the positive numbers 2^k-20792023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20792027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20928 + ... + 21898.

It is an arithmetic number, because the mean of its divisors is an integer number (1108080).

Almost surely, 2^20792023 is an apocalyptic number.

20792023 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20792023 is a deficient number, since it is larger than the sum of its proper divisors (5801897).

20792023 is a wasteful number, since it uses less digits than its factorization.

20792023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027 (or 1020 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 20792023 is about 4559.8270800547. The cubic root of 20792023 is about 274.9786121107.

The spelling of 20792023 in words is "twenty million, seven hundred ninety-two thousand, twenty-three".