20023246 has 16 divisors (see below), whose sum is σ = 32005584. Its totient is φ = 9362304.

The previous prime is 20023187. The next prime is 20023259. The reversal of 20023246 is 64232002.

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 7 ways as a sum of consecutive naturals, for example, 3736 + ... + 7348.

It is an arithmetic number, because the mean of its divisors is an integer number (2000349).

Almost surely, 2^20023246 is an apocalyptic number.

20023246 is a deficient number, since it is larger than the sum of its proper divisors (11982338).

20023246 is a wasteful number, since it uses less digits than its factorization.

20023246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3795.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 20023246 is about 4474.7341820493. The cubic root of 20023246 is about 271.5468865277.

Adding to 20023246 its reverse (64232002), we get a palindrome (84255248).

The spelling of 20023246 in words is "twenty million, twenty-three thousand, two hundred forty-six".