205023188 has 12 divisors (see below), whose sum is σ = 358892352. Its totient is φ = 102482520.

The previous prime is 205023157. The next prime is 205023229. The reversal of 205023188 is 881320502.

205023188 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 205023188.

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, 19781 + ... + 28307.

It is an arithmetic number, because the mean of its divisors is an integer number (29907696).

Almost surely, 2^205023188 is an apocalyptic number.

It is an amenable number.

205023188 is a deficient number, since it is larger than the sum of its proper divisors (153869164).

205023188 is a wasteful number, since it uses less digits than its factorization.

205023188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14542 (or 14540 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 205023188 is about 14318.6308004641. The cubic root of 205023188 is about 589.6590848652.

The spelling of 205023188 in words is "two hundred five million, twenty-three thousand, one hundred eighty-eight".