256060020 has 24 divisors (see below), whose sum is σ = 716968224. Its totient is φ = 68282656.

The previous prime is 256060019. The next prime is 256060027. The reversal of 256060020 is 20060652.

256060020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256060027) 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, 2133774 + ... + 2133893.

It is an arithmetic number, because the mean of its divisors is an integer number (29873676).

Almost surely, 2^256060020 is an apocalyptic number.

256060020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

256060020 is an abundant number, since it is smaller than the sum of its proper divisors (460908204).

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

256060020 is a wasteful number, since it uses less digits than its factorization.

256060020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4267679 (or 4267677 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 256060020 is about 16001.8755150763. The cubic root of 256060020 is about 635.0100397280.

The spelling of 256060020 in words is "two hundred fifty-six million, sixty thousand, twenty".