205516268 has 24 divisors (see below), whose sum is σ = 363245568. Its totient is φ = 101737296.

The previous prime is 205516261. The next prime is 205516271. The reversal of 205516268 is 862615502.

It is not an unprimeable number, because it can be changed into a prime (205516261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249305 + ... + 250127.

It is an arithmetic number, because the mean of its divisors is an integer number (15135232).

Almost surely, 2^205516268 is an apocalyptic number.

It is an amenable number.

205516268 is a deficient number, since it is larger than the sum of its proper divisors (157729300).

205516268 is a wasteful number, since it uses less digits than its factorization.

205516268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373 (or 1371 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 205516268 is about 14335.8385872609. The cubic root of 205516268 is about 590.1314157136.

The spelling of 205516268 in words is "two hundred five million, five hundred sixteen thousand, two hundred sixty-eight".