205097266 has 32 divisors (see below), whose sum is σ = 341231616. Its totient is φ = 91680000.

The previous prime is 205097261. The next prime is 205097273. The reversal of 205097266 is 662790502.

It is not an unprimeable number, because it can be changed into a prime (205097261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 535311 + ... + 535693.

It is an arithmetic number, because the mean of its divisors is an integer number (10663488).

Almost surely, 2^205097266 is an apocalyptic number.

205097266 is a deficient number, since it is larger than the sum of its proper divisors (136134350).

205097266 is a wasteful number, since it uses less digits than its factorization.

205097266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 205097266 is about 14321.2173365256. The cubic root of 205097266 is about 589.7300939159.

The spelling of 205097266 in words is "two hundred five million, ninety-seven thousand, two hundred sixty-six".