255995020 has 48 divisors (see below), whose sum is σ = 544709088. Its totient is φ = 101053440.

The previous prime is 255995017. The next prime is 255995023. The reversal of 255995020 is 20599552.

255995020 is digitally balanced in base 3, 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 (255995017) and next prime (255995023).

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (255995023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 833707 + ... + 834013.

It is an arithmetic number, because the mean of its divisors is an integer number (11348106).

Almost surely, 2^255995020 is an apocalyptic number.

255995020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255995020 is an abundant number, since it is smaller than the sum of its proper divisors (288714068).

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

255995020 is a wasteful number, since it uses less digits than its factorization.

255995020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730 (or 728 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 37.

The square root of 255995020 is about 15999.8443742431. The cubic root of 255995020 is about 634.9563034391.

It can be divided in two parts, 2559 and 95020, that added together give a palindrome (97579).

The spelling of 255995020 in words is "two hundred fifty-five million, nine hundred ninety-five thousand, twenty".