205543068 has 24 divisors (see below), whose sum is σ = 496139280. Its totient is φ = 66151680.

The previous prime is 205543043. The next prime is 205543087. The reversal of 205543068 is 860345502.

It is a congruent number.

It is an unprimeable number.

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, 294973 + ... + 295668.

It is an arithmetic number, because the mean of its divisors is an integer number (20672470).

Almost surely, 2^205543068 is an apocalyptic number.

It is an amenable number.

205543068 is an abundant number, since it is smaller than the sum of its proper divisors (290596212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

205543068 is a wasteful number, since it uses less digits than its factorization.

205543068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590677 (or 590675 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 205543068 is about 14336.7732771360. The cubic root of 205543068 is about 590.1570662937.

The spelling of 205543068 in words is "two hundred five million, five hundred forty-three thousand, sixty-eight".