20573392 has 20 divisors (see below), whose sum is σ = 45555616. Its totient is φ = 8817120.

The previous prime is 20573387. The next prime is 20573401. The reversal of 20573392 is 29337502.

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 3 ways as a sum of consecutive naturals, for example, 91734 + ... + 91957.

Almost surely, 2^20573392 is an apocalyptic number.

It is an amenable number.

20573392 is an abundant number, since it is smaller than the sum of its proper divisors (24982224).

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

20573392 is a wasteful number, since it uses less digits than its factorization.

20573392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183706 (or 183700 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 20573392 is about 4535.7901186012. The cubic root of 20573392 is about 274.0114013051.

The spelling of 20573392 in words is "twenty million, five hundred seventy-three thousand, three hundred ninety-two".