205085568 has 32 divisors (see below), whose sum is σ = 544759560. Its totient is φ = 68361728.

The previous prime is 205085557. The next prime is 205085597. The reversal of 205085568 is 865580502.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

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, 266655 + ... + 267422.

Almost surely, 2^205085568 is an apocalyptic number.

It is an amenable number.

205085568 is an abundant number, since it is smaller than the sum of its proper divisors (339673992).

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

205085568 is an equidigital number, since it uses as much as digits as its factorization.

205085568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534094 (or 534082 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 39.

The square root of 205085568 is about 14320.8089157003. The cubic root of 205085568 is about 589.7188816849.

The spelling of 205085568 in words is "two hundred five million, eighty-five thousand, five hundred sixty-eight".