205200734 has 16 divisors (see below), whose sum is σ = 312294528. Its totient is φ = 101108952.

The previous prime is 205200713. The next prime is 205200799. The reversal of 205200734 is 437002502.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76199 + ... + 78845.

It is an arithmetic number, because the mean of its divisors is an integer number (19518408).

Almost surely, 2^205200734 is an apocalyptic number.

205200734 is a deficient number, since it is larger than the sum of its proper divisors (107093794).

205200734 is a wasteful number, since it uses less digits than its factorization.

205200734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3199.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 205200734 is about 14324.8292834505. The cubic root of 205200734 is about 589.8292467659.

The spelling of 205200734 in words is "two hundred five million, two hundred thousand, seven hundred thirty-four".