20804068 has 12 divisors (see below), whose sum is σ = 36505840. Its totient is φ = 10373832.

The previous prime is 20804059. The next prime is 20804087. The reversal of 20804068 is 86040802.

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, 5346 + ... + 8377.

Almost surely, 2^20804068 is an apocalyptic number.

It is an amenable number.

20804068 is a deficient number, since it is larger than the sum of its proper divisors (15701772).

20804068 is a wasteful number, since it uses less digits than its factorization.

20804068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14106 (or 14104 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 20804068 is about 4561.1476625955. The cubic root of 20804068 is about 275.0317010287.

The spelling of 20804068 in words is "twenty million, eight hundred four thousand, sixty-eight".