20624030 has 16 divisors (see below), whose sum is σ = 42426720. Its totient is φ = 7071072.

The previous prime is 20624003. The next prime is 20624041. The reversal of 20624030 is 3042602.

It is a super-2 number, since 2×20624030² = 850701226881800, which contains 22 as substring.

It is a congruent number.

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, 147245 + ... + 147384.

It is an arithmetic number, because the mean of its divisors is an integer number (2651670).

Almost surely, 2^20624030 is an apocalyptic number.

20624030 is an abundant number, since it is smaller than the sum of its proper divisors (21802690).

20624030 is a wasteful number, since it uses less digits than its factorization.

20624030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294643.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 20624030 is about 4541.3687364054. The cubic root of 20624030 is about 274.2360283523.

Adding to 20624030 its reverse (3042602), we get a palindrome (23666632).

The spelling of 20624030 in words is "twenty million, six hundred twenty-four thousand, thirty".