20104204 has 12 divisors (see below), whose sum is σ = 37034200. Its totient is φ = 9523008.

The previous prime is 20104199. The next prime is 20104207. The reversal of 20104204 is 40240102.

It is not an unprimeable number, because it can be changed into a prime (20104207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132189 + ... + 132340.

Almost surely, 2^20104204 is an apocalyptic number.

It is an amenable number.

20104204 is a deficient number, since it is larger than the sum of its proper divisors (16929996).

20104204 is a wasteful number, since it uses less digits than its factorization.

20104204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264552 (or 264550 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 20104204 is about 4483.7711806023. The cubic root of 20104204 is about 271.9123672425.

Adding to 20104204 its reverse (40240102), we get a palindrome (60344306).

The spelling of 20104204 in words is "twenty million, one hundred four thousand, two hundred four".