205195268 has 12 divisors (see below), whose sum is σ = 360897600. Its totient is φ = 102081672.

The previous prime is 205195267. The next prime is 205195273. The reversal of 205195268 is 862591502.

It is a super-3 number, since 3×205195268³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (205195267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128096 + ... + 129687.

It is an arithmetic number, because the mean of its divisors is an integer number (30074800).

Almost surely, 2^205195268 is an apocalyptic number.

It is an amenable number.

205195268 is a deficient number, since it is larger than the sum of its proper divisors (155702332).

205195268 is a wasteful number, since it uses less digits than its factorization.

205195268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257986 (or 257984 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 205195268 is about 14324.6384945659. The cubic root of 205195268 is about 589.8240095604.

The spelling of 205195268 in words is "two hundred five million, one hundred ninety-five thousand, two hundred sixty-eight".