204204002017 has 2 divisors, whose sum is σ = 204204002018. Its totient is φ = 204204002016.

The previous prime is 204204001993. The next prime is 204204002027. The reversal of 204204002017 is 710200402402.

It is a happy number.

204204002017 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 162401746081 + 41802255936 = 402991^2 + 204456^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204204002017 is a prime.

It is not a weakly prime, because it can be changed into another prime (204204002027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102102001008 + 102102001009.

It is an arithmetic number, because the mean of its divisors is an integer number (102102001009).

Almost surely, 2^204204002017 is an apocalyptic number.

It is an amenable number.

204204002017 is a deficient number, since it is larger than the sum of its proper divisors (1).

204204002017 is an equidigital number, since it uses as much as digits as its factorization.

204204002017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 22.

Adding to 204204002017 its reverse (710200402402), we get a palindrome (914404404419).

The spelling of 204204002017 in words is "two hundred four billion, two hundred four million, two thousand, seventeen".