255703520620 has 24 divisors (see below), whose sum is σ = 555493856400. Its totient is φ = 98754462912.

The previous prime is 255703520617. The next prime is 255703520623. The reversal of 255703520620 is 26025307552.

255703520620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (255703520617) and next prime (255703520623).

It is a self number, because there is not a number n which added to its sum of digits gives 255703520620.

It is not an unprimeable number, because it can be changed into a prime (255703520623) 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, 220433490 + ... + 220434649.

It is an arithmetic number, because the mean of its divisors is an integer number (23145577350).

Almost surely, 2^255703520620 is an apocalyptic number.

255703520620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255703520620 is an abundant number, since it is smaller than the sum of its proper divisors (299790335780).

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

255703520620 is a wasteful number, since it uses less digits than its factorization.

255703520620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440868177 (or 440868175 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 37.

The spelling of 255703520620 in words is "two hundred fifty-five billion, seven hundred three million, five hundred twenty thousand, six hundred twenty".