204707117 has 4 divisors (see below), whose sum is σ = 205468380. Its totient is φ = 203945856.

The previous prime is 204707099. The next prime is 204707141. The reversal of 204707117 is 711707402.

204707117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 108451396 + 96255721 = 10414^2 + 9811^2 .

It is a cyclic number.

It is not a de Polignac number, because 204707117 - 2⁶ = 204707053 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 204707117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204707417) 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, 380228 + ... + 380765.

It is an arithmetic number, because the mean of its divisors is an integer number (51367095).

Almost surely, 2^204707117 is an apocalyptic number.

It is an amenable number.

204707117 is a deficient number, since it is larger than the sum of its proper divisors (761263).

204707117 is an equidigital number, since it uses as much as digits as its factorization.

204707117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761262.

The product of its (nonzero) digits is 2744, while the sum is 29.

The square root of 204707117 is about 14307.5894894982. The cubic root of 204707117 is about 589.3559159176.

The spelling of 204707117 in words is "two hundred four million, seven hundred seven thousand, one hundred seventeen".