20023252 has 24 divisors (see below), whose sum is σ = 36352512. Its totient is φ = 9643200.

The previous prime is 20023187. The next prime is 20023259. The reversal of 20023252 is 25232002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20023259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12877 + ... + 14347.

It is an arithmetic number, because the mean of its divisors is an integer number (1514688).

Almost surely, 2^20023252 is an apocalyptic number.

It is an amenable number.

20023252 is a deficient number, since it is larger than the sum of its proper divisors (16329260).

20023252 is a wasteful number, since it uses less digits than its factorization.

20023252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1599 (or 1597 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 20023252 is about 4474.7348524801. The cubic root of 20023252 is about 271.5469136508.

Adding to 20023252 its reverse (25232002), we get a palindrome (45255254).

The spelling of 20023252 in words is "twenty million, twenty-three thousand, two hundred fifty-two".