20792223 has 12 divisors (see below), whose sum is σ = 30073680. Its totient is φ = 13842816.

The previous prime is 20792201. The next prime is 20792237. The reversal of 20792223 is 32229702.

It is not a de Polignac number, because 20792223 - 2²¹ = 18695071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20792243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10063 + ... + 11951.

It is an arithmetic number, because the mean of its divisors is an integer number (2506140).

Almost surely, 2^20792223 is an apocalyptic number.

20792223 is a deficient number, since it is larger than the sum of its proper divisors (9281457).

20792223 is a wasteful number, since it uses less digits than its factorization.

20792223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3118 (or 3115 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 20792223 is about 4559.8490106581. The cubic root of 20792223 is about 274.9794937877.

The spelling of 20792223 in words is "twenty million, seven hundred ninety-two thousand, two hundred twenty-three".