20004604 has 12 divisors (see below), whose sum is σ = 35065800. Its totient is φ = 9985808.

The previous prime is 20004583. The next prime is 20004667. The reversal of 20004604 is 40640002.

It is a congruent number.

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, 1159 + ... + 6430.

It is an arithmetic number, because the mean of its divisors is an integer number (2922150).

Almost surely, 2^20004604 is an apocalyptic number.

It is an amenable number.

20004604 is a deficient number, since it is larger than the sum of its proper divisors (15061196).

20004604 is a wasteful number, since it uses less digits than its factorization.

20004604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8252 (or 8250 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 20004604 is about 4472.6506682280. The cubic root of 20004604 is about 271.4625886926.

Adding to 20004604 its reverse (40640002), we get a palindrome (60644606).

The spelling of 20004604 in words is "twenty million, four thousand, six hundred four".