205852066 has 16 divisors (see below), whose sum is σ = 353908800. Its totient is φ = 87967440.

The previous prime is 205852033. The next prime is 205852067. The reversal of 205852066 is 660258502.

It is not an unprimeable number, because it can be changed into a prime (205852067) 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 7 ways as a sum of consecutive naturals, for example, 16180 + ... + 25951.

It is an arithmetic number, because the mean of its divisors is an integer number (22119300).

Almost surely, 2^205852066 is an apocalyptic number.

205852066 is a deficient number, since it is larger than the sum of its proper divisors (148056734).

205852066 is a wasteful number, since it uses less digits than its factorization.

205852066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42489.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 205852066 is about 14347.5456437678. The cubic root of 205852066 is about 590.4526508159.

The spelling of 205852066 in words is "two hundred five million, eight hundred fifty-two thousand, sixty-six".