205080668 has 12 divisors (see below), whose sum is σ = 386498280. Its totient is φ = 94652592.

The previous prime is 205080641. The next prime is 205080671. The reversal of 205080668 is 866080502.

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, 1971878 + ... + 1971981.

It is an arithmetic number, because the mean of its divisors is an integer number (32208190).

Almost surely, 2^205080668 is an apocalyptic number.

It is an amenable number.

205080668 is a deficient number, since it is larger than the sum of its proper divisors (181417612).

205080668 is a wasteful number, since it uses less digits than its factorization.

205080668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3943876 (or 3943874 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 205080668 is about 14320.6378349569. The cubic root of 205080668 is about 589.7141850347.

The spelling of 205080668 in words is "two hundred five million, eighty thousand, six hundred sixty-eight".