204939801 has 40 divisors (see below), whose sum is σ = 339059424. Its totient is φ = 122316480.

The previous prime is 204939769. The next prime is 204939829. The reversal of 204939801 is 108939402.

It is not a de Polignac number, because 204939801 - 2⁵ = 204939769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204939001) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 57981 + ... + 61413.

Almost surely, 2^204939801 is an apocalyptic number.

It is an amenable number.

204939801 is a deficient number, since it is larger than the sum of its proper divisors (134119623).

204939801 is a wasteful number, since it uses less digits than its factorization.

204939801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3523 (or 3514 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 204939801 is about 14315.7186686523. The cubic root of 204939801 is about 589.5791320068.

The spelling of 204939801 in words is "two hundred four million, nine hundred thirty-nine thousand, eight hundred one".