255676765020 has 24 divisors (see below), whose sum is σ = 715894942224. Its totient is φ = 68180470656.

The previous prime is 255676765009. The next prime is 255676765021. The reversal of 255676765020 is 20567676552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255676765021) 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, 2130639649 + ... + 2130639768.

It is an arithmetic number, because the mean of its divisors is an integer number (29828955926).

Almost surely, 2^255676765020 is an apocalyptic number.

255676765020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255676765020 is an abundant number, since it is smaller than the sum of its proper divisors (460218177204).

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

255676765020 is a wasteful number, since it uses less digits than its factorization.

255676765020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4261279429 (or 4261279427 counting only the distinct ones).

The product of its (nonzero) digits is 5292000, while the sum is 51.

The spelling of 255676765020 in words is "two hundred fifty-five billion, six hundred seventy-six million, seven hundred sixty-five thousand, twenty".