255012456020 has 48 divisors (see below), whose sum is σ = 621164691840. Its totient is φ = 86127871104.

The previous prime is 255012455983. The next prime is 255012456031. The reversal of 255012456020 is 20654210552.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13584035 + ... + 13602794.

It is an arithmetic number, because the mean of its divisors is an integer number (12940931080).

Almost surely, 2^255012456020 is an apocalyptic number.

255012456020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255012456020 is an abundant number, since it is smaller than the sum of its proper divisors (366152235820).

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

255012456020 is a wasteful number, since it uses less digits than its factorization.

255012456020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27186912 (or 27186910 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 255012456020 its reverse (20654210552), we get a palindrome (275666666572).

The spelling of 255012456020 in words is "two hundred fifty-five billion, twelve million, four hundred fifty-six thousand, twenty".