20255468 has 6 divisors (see below), whose sum is σ = 35447076. Its totient is φ = 10127732.

The previous prime is 20255447. The next prime is 20255509. The reversal of 20255468 is 86455202.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2531930 + ... + 2531937.

It is an arithmetic number, because the mean of its divisors is an integer number (5907846).

Almost surely, 2^20255468 is an apocalyptic number.

It is an amenable number.

20255468 is a deficient number, since it is larger than the sum of its proper divisors (15191608).

20255468 is a wasteful number, since it uses less digits than its factorization.

20255468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5063871 (or 5063869 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 20255468 is about 4500.6075145473. The cubic root of 20255468 is about 272.5926200883.

The spelling of 20255468 in words is "twenty million, two hundred fifty-five thousand, four hundred sixty-eight".