20024624 has 20 divisors (see below), whose sum is σ = 38888136. Its totient is φ = 9988992.

The previous prime is 20024611. The next prime is 20024633. The reversal of 20024624 is 42642002.

It is a junction number, because it is equal to n+sod(n) for n = 20024596 and 20024605.

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, 7172 + ... + 9564.

Almost surely, 2^20024624 is an apocalyptic number.

It is an amenable number.

20024624 is a deficient number, since it is larger than the sum of its proper divisors (18863512).

20024624 is a wasteful number, since it uses less digits than its factorization.

20024624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2924 (or 2918 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 20024624 is about 4474.8881550269. Note that the first 3 decimals coincide. The cubic root of 20024624 is about 271.5531156713.

Adding to 20024624 its reverse (42642002), we get a palindrome (62666626).

The spelling of 20024624 in words is "twenty million, twenty-four thousand, six hundred twenty-four".