204076017317 has 12 divisors (see below), whose sum is σ = 209305484388. Its totient is φ = 198974246400.

The previous prime is 204076017203. The next prime is 204076017331. The reversal of 204076017317 is 713710670402.

It can be written as a sum of positive squares in 6 ways, for example, as 100650100516 + 103425916801 = 317254^2 + 321599^2 .

It is not a de Polignac number, because 204076017317 - 2¹⁰ = 204076016293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204076017347) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2714717 + ... + 2788877.

It is an arithmetic number, because the mean of its divisors is an integer number (17442123699).

Almost surely, 2^204076017317 is an apocalyptic number.

It is an amenable number.

204076017317 is a deficient number, since it is larger than the sum of its proper divisors (5229467071).

204076017317 is an equidigital number, since it uses as much as digits as its factorization.

204076017317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75880 (or 75839 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 38.

Adding to 204076017317 its reverse (713710670402), we get a palindrome (917786687719).

The spelling of 204076017317 in words is "two hundred four billion, seventy-six million, seventeen thousand, three hundred seventeen".