204322056256 has 28 divisors (see below), whose sum is σ = 409465965420. Its totient is φ = 101149529600.

The previous prime is 204322056229. The next prime is 204322056287. The reversal of 204322056256 is 652650223402.

It can be written as a sum of positive squares in 2 ways, for example, as 124919833600 + 79402222656 = 353440^2 + 281784^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15798151 + ... + 15811078.

Almost surely, 2^204322056256 is an apocalyptic number.

It is an amenable number.

204322056256 is an abundant number, since it is smaller than the sum of its proper divisors (205143909164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204322056256 is a wasteful number, since it uses less digits than its factorization.

204322056256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31609342 (or 31609332 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 37.

Adding to 204322056256 its reverse (652650223402), we get a palindrome (856972279658).

The spelling of 204322056256 in words is "two hundred four billion, three hundred twenty-two million, fifty-six thousand, two hundred fifty-six".