204300422017 has 2 divisors, whose sum is σ = 204300422018. Its totient is φ = 204300422016.

The previous prime is 204300421907. The next prime is 204300422041. The reversal of 204300422017 is 710224003402.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 147801033601 + 56499388416 = 384449^2 + 237696^2 .

It is a cyclic number.

It is not a de Polignac number, because 204300422017 - 2³¹ = 202152938369 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 204300421982 and 204300422000.

It is not a weakly prime, because it can be changed into another prime (204300422047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102150211008 + 102150211009.

It is an arithmetic number, because the mean of its divisors is an integer number (102150211009).

Almost surely, 2^204300422017 is an apocalyptic number.

It is an amenable number.

204300422017 is a deficient number, since it is larger than the sum of its proper divisors (1).

204300422017 is an equidigital number, since it uses as much as digits as its factorization.

204300422017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 25.

Adding to 204300422017 its reverse (710224003402), we get a palindrome (914524425419).

The spelling of 204300422017 in words is "two hundred four billion, three hundred million, four hundred twenty-two thousand, seventeen".