20255268 has 24 divisors (see below), whose sum is σ = 51559200. Its totient is φ = 6137920.

The previous prime is 20255227. The next prime is 20255293. The reversal of 20255268 is 86255202.

It is a congruent number.

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, 76593 + ... + 76856.

It is an arithmetic number, because the mean of its divisors is an integer number (2148300).

Almost surely, 2^20255268 is an apocalyptic number.

It is an amenable number.

20255268 is an abundant number, since it is smaller than the sum of its proper divisors (31303932).

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

20255268 is a wasteful number, since it uses less digits than its factorization.

20255268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153467 (or 153465 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 20255268 is about 4500.5852952699. The cubic root of 20255268 is about 272.5917229034.

The spelling of 20255268 in words is "twenty million, two hundred fifty-five thousand, two hundred sixty-eight".