204315535056 has 80 divisors (see below), whose sum is σ = 543123327168. Its totient is φ = 66137011200.

The previous prime is 204315535051. The next prime is 204315535057. The reversal of 204315535056 is 650535513402.

204315535056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204315535051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 814891 + ... + 1035701.

Almost surely, 2^204315535056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204315535056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271561663584).

204315535056 is an abundant number, since it is smaller than the sum of its proper divisors (338807792112).

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

204315535056 is a wasteful number, since it uses less digits than its factorization.

204315535056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221380 (or 221374 counting only the distinct ones).

The product of its (nonzero) digits is 270000, while the sum is 39.

The spelling of 204315535056 in words is "two hundred four billion, three hundred fifteen million, five hundred thirty-five thousand, fifty-six".