205068764 has 12 divisors (see below), whose sum is σ = 363194664. Its totient is φ = 101298864.

The previous prime is 205068737. The next prime is 205068779. The reversal of 205068764 is 467860502.

It is a happy number.

205068764 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 308507 + ... + 309170.

It is an arithmetic number, because the mean of its divisors is an integer number (30266222).

Almost surely, 2^205068764 is an apocalyptic number.

It is an amenable number.

205068764 is a deficient number, since it is larger than the sum of its proper divisors (158125900).

205068764 is a wasteful number, since it uses less digits than its factorization.

205068764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617764 (or 617762 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 205068764 is about 14320.2222049799. Note that the first 4 decimals coincide. The cubic root of 205068764 is about 589.7027747385.

The spelling of 205068764 in words is "two hundred five million, sixty-eight thousand, seven hundred sixty-four".