205727336268 has 24 divisors (see below), whose sum is σ = 480077602368. Its totient is φ = 68569042896.

The previous prime is 205727336267. The next prime is 205727336417. The reversal of 205727336268 is 862633727502.

It is a self number, because there is not a number n which added to its sum of digits gives 205727336268.

It is not an unprimeable number, because it can be changed into a prime (205727336267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 713946 + ... + 959777.

It is an arithmetic number, because the mean of its divisors is an integer number (20003233432).

Almost surely, 2^205727336268 is an apocalyptic number.

It is an amenable number.

205727336268 is an abundant number, since it is smaller than the sum of its proper divisors (274350266100).

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

205727336268 is a wasteful number, since it uses less digits than its factorization.

205727336268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1683973 (or 1683971 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 51.

The spelling of 205727336268 in words is "two hundred five billion, seven hundred twenty-seven million, three hundred thirty-six thousand, two hundred sixty-eight".