204133322220173 has 2 divisors, whose sum is σ = 204133322220174. Its totient is φ = 204133322220172.

The previous prime is 204133322220131. The next prime is 204133322220193. The reversal of 204133322220173 is 371022223331402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 196140641220484 + 7992680999689 = 14005022^2 + 2827133^2 .

It is a cyclic number.

It is not a de Polignac number, because 204133322220173 - 2⁸ = 204133322219917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204133322220193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102066661110086 + 102066661110087.

It is an arithmetic number, because the mean of its divisors is an integer number (102066661110087).

Almost surely, 2^{204133322220173} is an apocalyptic number.

It is an amenable number.

204133322220173 is a deficient number, since it is larger than the sum of its proper divisors (1).

204133322220173 is an equidigital number, since it uses as much as digits as its factorization.

204133322220173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 35.

Adding to 204133322220173 its reverse (371022223331402), we get a palindrome (575155545551575).

The spelling of 204133322220173 in words is "two hundred four trillion, one hundred thirty-three billion, three hundred twenty-two million, two hundred twenty thousand, one hundred seventy-three".