205185052 has 24 divisors (see below), whose sum is σ = 362653200. Its totient is φ = 101575296.

The previous prime is 205185031. The next prime is 205185059. The reversal of 205185052 is 250581502.

It is a self number, because there is not a number n which added to its sum of digits gives 205185052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205185059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253224 + ... + 254032.

It is an arithmetic number, because the mean of its divisors is an integer number (15110550).

Almost surely, 2^205185052 is an apocalyptic number.

It is an amenable number.

205185052 is a deficient number, since it is larger than the sum of its proper divisors (157468148).

205185052 is a wasteful number, since it uses less digits than its factorization.

205185052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1365 (or 1363 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 205185052 is about 14324.2819017220. The cubic root of 205185052 is about 589.8142209297.

The spelling of 205185052 in words is "two hundred five million, one hundred eighty-five thousand, fifty-two".