20124604 has 24 divisors (see below), whose sum is σ = 36289008. Its totient is φ = 9759360.

The previous prime is 20124593. The next prime is 20124619. The reversal of 20124604 is 40642102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45207 + ... + 45649.

It is an arithmetic number, because the mean of its divisors is an integer number (1512042).

Almost surely, 2^20124604 is an apocalyptic number.

It is an amenable number.

20124604 is a deficient number, since it is larger than the sum of its proper divisors (16164404).

20124604 is a wasteful number, since it uses less digits than its factorization.

20124604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765 (or 763 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 20124604 is about 4486.0454745800. The cubic root of 20124604 is about 272.0043071694.

Adding to 20124604 its reverse (40642102), we get a palindrome (60766706).

The spelling of 20124604 in words is "twenty million, one hundred twenty-four thousand, six hundred four".