205065268 has 12 divisors (see below), whose sum is σ = 365635620. Its totient is φ = 100597952.

The previous prime is 205065257. The next prime is 205065269. The reversal of 205065268 is 862560502.

It can be written as a sum of positive squares in 2 ways, for example, as 179238544 + 25826724 = 13388^2 + 5082^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205065269) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 483433 + ... + 483856.

It is an arithmetic number, because the mean of its divisors is an integer number (30469635).

Almost surely, 2^205065268 is an apocalyptic number.

It is an amenable number.

205065268 is a deficient number, since it is larger than the sum of its proper divisors (160570352).

205065268 is a wasteful number, since it uses less digits than its factorization.

205065268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967346 (or 967344 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 205065268 is about 14320.1001393147. The cubic root of 205065268 is about 589.6994236469.

The spelling of 205065268 in words is "two hundred five million, sixty-five thousand, two hundred sixty-eight".