204000422201 has 2 divisors, whose sum is σ = 204000422202. Its totient is φ = 204000422200.

The previous prime is 204000422191. The next prime is 204000422209. The reversal of 204000422201 is 102224000402.

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., 159959202601 + 44041219600 = 399949^2 + 209860^2 .

It is a cyclic number.

It is not a de Polignac number, because 204000422201 - 2¹⁸ = 204000160057 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 204000422201.

It is not a weakly prime, because it can be changed into another prime (204000422209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102000211100 + 102000211101.

It is an arithmetic number, because the mean of its divisors is an integer number (102000211101).

Almost surely, 2^204000422201 is an apocalyptic number.

It is an amenable number.

204000422201 is a deficient number, since it is larger than the sum of its proper divisors (1).

204000422201 is an equidigital number, since it uses as much as digits as its factorization.

204000422201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 204000422201 its reverse (102224000402), we get a palindrome (306224422603).

The spelling of 204000422201 in words is "two hundred four billion, four hundred twenty-two thousand, two hundred one".