205097264 has 20 divisors (see below), whose sum is σ = 399911904. Its totient is φ = 101894208.

The previous prime is 205097261. The next prime is 205097273. The reversal of 205097264 is 462790502.

It is a super-3 number, since 3×205097264³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (205097261) 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, 38312 + ... + 43335.

Almost surely, 2^205097264 is an apocalyptic number.

It is an amenable number.

205097264 is a deficient number, since it is larger than the sum of its proper divisors (194814640).

205097264 is a wasteful number, since it uses less digits than its factorization.

205097264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81812 (or 81806 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 205097264 is about 14321.2172666991. The cubic root of 205097264 is about 589.7300919990.

The spelling of 205097264 in words is "two hundred five million, ninety-seven thousand, two hundred sixty-four".