20023204 has 12 divisors (see below), whose sum is σ = 35273728. Its totient is φ = 9945000.

The previous prime is 20023187. The next prime is 20023259. The reversal of 20023204 is 40232002.

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, 15972 + ... + 17179.

Almost surely, 2^20023204 is an apocalyptic number.

It is an amenable number.

20023204 is a deficient number, since it is larger than the sum of its proper divisors (15250524).

20023204 is a wasteful number, since it uses less digits than its factorization.

20023204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33306 (or 33304 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 20023204 is about 4474.7294890306. The cubic root of 20023204 is about 271.5466966654.

Adding to 20023204 its reverse (40232002), we get a palindrome (60255206).

The spelling of 20023204 in words is "twenty million, twenty-three thousand, two hundred four".