205023168 has 84 divisors (see below), whose sum is σ = 671626800. Its totient is φ = 58576896.

The previous prime is 205023157. The next prime is 205023229. The reversal of 205023168 is 861320502.

It is a tau number, because it is divible by the number of its divisors (84).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21393 + ... + 29456.

Almost surely, 2^205023168 is an apocalyptic number.

205023168 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

205023168 is an abundant number, since it is smaller than the sum of its proper divisors (466603632).

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

205023168 is a wasteful number, since it uses less digits than its factorization.

205023168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50874 (or 50861 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 205023168 is about 14318.6301020733. The cubic root of 205023168 is about 589.6590656914.

The spelling of 205023168 in words is "two hundred five million, twenty-three thousand, one hundred sixty-eight".