20324512 has 24 divisors (see below), whose sum is σ = 43092756. Its totient is φ = 9380352.

The previous prime is 20324483. The next prime is 20324527. The reversal of 20324512 is 21542302.

It can be written as a sum of positive squares in 2 ways, for example, as 19678096 + 646416 = 4436^2 + 804^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20324512.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24013 + ... + 24844.

Almost surely, 2^20324512 is an apocalyptic number.

It is an amenable number.

20324512 is an abundant number, since it is smaller than the sum of its proper divisors (22768244).

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

20324512 is a wasteful number, since it uses less digits than its factorization.

20324512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48880 (or 48872 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 20324512 is about 4508.2715091263. The cubic root of 20324512 is about 272.9019940082.

Adding to 20324512 its reverse (21542302), we get a palindrome (41866814).

The spelling of 20324512 in words is "twenty million, three hundred twenty-four thousand, five hundred twelve".