205116256 has 12 divisors (see below), whose sum is σ = 403822692. Its totient is φ = 102558112.

The previous prime is 205116251. The next prime is 205116269. The reversal of 205116256 is 652611502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205116251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3204910 + ... + 3204973.

It is an arithmetic number, because the mean of its divisors is an integer number (33651891).

Almost surely, 2^205116256 is an apocalyptic number.

It is an amenable number.

205116256 is a deficient number, since it is larger than the sum of its proper divisors (198706436).

205116256 is an equidigital number, since it uses as much as digits as its factorization.

205116256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6409893 (or 6409885 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 205116256 is about 14321.8803234771. The cubic root of 205116256 is about 589.7482944330.

Adding to 205116256 its reverse (652611502), we get a palindrome (857727758).

The spelling of 205116256 in words is "two hundred five million, one hundred sixteen thousand, two hundred fifty-six".