20023492 has 24 divisors (see below), whose sum is σ = 37029440. Its totient is φ = 9447840.

The previous prime is 20023469. The next prime is 20023513. The reversal of 20023492 is 29432002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36742 + ... + 37282.

Almost surely, 2^20023492 is an apocalyptic number.

It is an amenable number.

20023492 is a deficient number, since it is larger than the sum of its proper divisors (17005948).

20023492 is a wasteful number, since it uses less digits than its factorization.

20023492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051 (or 1049 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 20023492 is about 4474.7616696311. The cubic root of 20023492 is about 271.5479985728.

Adding to 20023492 its reverse (29432002), we get a palindrome (49455494).

The spelling of 20023492 in words is "twenty million, twenty-three thousand, four hundred ninety-two".