20800204 has 6 divisors (see below), whose sum is σ = 36400364. Its totient is φ = 10400100.

The previous prime is 20800201. The next prime is 20800229. The reversal of 20800204 is 40200802.

It is not an unprimeable number, because it can be changed into a prime (20800201) 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 as a sum of consecutive naturals, namely, 2600022 + ... + 2600029.

Almost surely, 2^20800204 is an apocalyptic number.

It is an amenable number.

20800204 is a deficient number, since it is larger than the sum of its proper divisors (15600160).

20800204 is a wasteful number, since it uses less digits than its factorization.

20800204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5200055 (or 5200053 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 20800204 is about 4560.7240653212. The cubic root of 20800204 is about 275.0146724954.

The spelling of 20800204 in words is "twenty million, eight hundred thousand, two hundred four".