205307268 has 24 divisors (see below), whose sum is σ = 480879168. Its totient is φ = 68174496.

The previous prime is 205307243. The next prime is 205307279. The reversal of 205307268 is 862703502.

205307268 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29371 + ... + 35682.

It is an arithmetic number, because the mean of its divisors is an integer number (20036632).

Almost surely, 2^205307268 is an apocalyptic number.

It is an amenable number.

205307268 is an abundant number, since it is smaller than the sum of its proper divisors (275571900).

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

205307268 is a wasteful number, since it uses less digits than its factorization.

205307268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65323 (or 65321 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 205307268 is about 14328.5473094798. The cubic root of 205307268 is about 589.9313029275.

The spelling of 205307268 in words is "two hundred five million, three hundred seven thousand, two hundred sixty-eight".