204226366325 has 6 divisors (see below), whose sum is σ = 253240694274. Its totient is φ = 163381093040.

The previous prime is 204226366259. The next prime is 204226366327. The reversal of 204226366325 is 523663622402.

It can be written as a sum of positive squares in 3 ways, for example, as 34981343089 + 169245023236 = 187033^2 + 411394^2 .

It is a de Polignac number, because none of the positive numbers 2^k-204226366325 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204226366327) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4084527302 + ... + 4084527351.

It is an arithmetic number, because the mean of its divisors is an integer number (42206782379).

Almost surely, 2^204226366325 is an apocalyptic number.

204226366325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

204226366325 is a deficient number, since it is larger than the sum of its proper divisors (49014327949).

204226366325 is an equidigital number, since it uses as much as digits as its factorization.

204226366325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8169054663 (or 8169054658 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 41.

Adding to 204226366325 its reverse (523663622402), we get a palindrome (727889988727).

The spelling of 204226366325 in words is "two hundred four billion, two hundred twenty-six million, three hundred sixty-six thousand, three hundred twenty-five".