204332402117 has 2 divisors, whose sum is σ = 204332402118. Its totient is φ = 204332402116.

The previous prime is 204332402111. The next prime is 204332402159. The reversal of 204332402117 is 711204233402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 126884851681 + 77447550436 = 356209^2 + 278294^2 .

It is a cyclic number.

It is not a de Polignac number, because 204332402117 - 2¹⁰ = 204332401093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 204332402117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204332402111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102166201058 + 102166201059.

It is an arithmetic number, because the mean of its divisors is an integer number (102166201059).

Almost surely, 2^204332402117 is an apocalyptic number.

It is an amenable number.

204332402117 is a deficient number, since it is larger than the sum of its proper divisors (1).

204332402117 is an equidigital number, since it uses as much as digits as its factorization.

204332402117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 29.

Adding to 204332402117 its reverse (711204233402), we get a palindrome (915536635519).

The spelling of 204332402117 in words is "two hundred four billion, three hundred thirty-two million, four hundred two thousand, one hundred seventeen".