20336804 has 12 divisors (see below), whose sum is σ = 35649264. Its totient is φ = 10151304.

The previous prime is 20336747. The next prime is 20336809. The reversal of 20336804 is 40863302.

It is not an unprimeable number, because it can be changed into a prime (20336809) 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, 1382 + ... + 6525.

It is an arithmetic number, because the mean of its divisors is an integer number (2970772).

Almost surely, 2^20336804 is an apocalyptic number.

It is an amenable number.

20336804 is a deficient number, since it is larger than the sum of its proper divisors (15312460).

20336804 is a wasteful number, since it uses less digits than its factorization.

20336804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8554 (or 8552 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 20336804 is about 4509.6345749961. The cubic root of 20336804 is about 272.9569987775.

The spelling of 20336804 in words is "twenty million, three hundred thirty-six thousand, eight hundred four".