20112604 has 12 divisors (see below), whose sum is σ = 35539504. Its totient is φ = 9958464.

The previous prime is 20112601. The next prime is 20112607. The reversal of 20112604 is 40621102.

It is an interprime number because it is at equal distance from previous prime (20112601) and next prime (20112607).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112601) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 23997 + ... + 24820.

Almost surely, 2^20112604 is an apocalyptic number.

It is an amenable number.

20112604 is a deficient number, since it is larger than the sum of its proper divisors (15426900).

20112604 is a wasteful number, since it uses less digits than its factorization.

20112604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48924 (or 48922 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 20112604 is about 4484.7077942716. The cubic root of 20112604 is about 271.9502323883.

Adding to 20112604 its reverse (40621102), we get a palindrome (60733706).

The spelling of 20112604 in words is "twenty million, one hundred twelve thousand, six hundred four".