205772896 has 48 divisors (see below), whose sum is σ = 490232736. Its totient is φ = 82999296.

The previous prime is 205772867. The next prime is 205772939. The reversal of 205772896 is 698277502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23211 + ... + 30826.

It is an arithmetic number, because the mean of its divisors is an integer number (10213182).

Almost surely, 2^205772896 is an apocalyptic number.

It is an amenable number.

205772896 is an abundant number, since it is smaller than the sum of its proper divisors (284459840).

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

205772896 is a wasteful number, since it uses less digits than its factorization.

205772896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54071 (or 54063 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 205772896 is about 14344.7863699673. The cubic root of 205772896 is about 590.3769457536.

The spelling of 205772896 in words is "two hundred five million, seven hundred seventy-two thousand, eight hundred ninety-six".