255301001215020 has 72 divisors (see below), whose sum is σ = 774868843148400. Its totient is φ = 68040196122240.

The previous prime is 255301001215009. The next prime is 255301001215021. The reversal of 255301001215020 is 20512100103552.

255301001215020 is a `hidden beast` number, since 2 + 5 + 5 + 30 + 1 + 0 + 0 + 121 + 502 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (255301001215021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 417098211 + ... + 417709850.

It is an arithmetic number, because the mean of its divisors is an integer number (10762067265950).

Almost surely, 2^{255301001215020} is an apocalyptic number.

255301001215020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255301001215020 is an abundant number, since it is smaller than the sum of its proper divisors (519567841933380).

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

255301001215020 is a wasteful number, since it uses less digits than its factorization.

255301001215020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834809775 (or 834809770 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

Adding to 255301001215020 its reverse (20512100103552), we get a palindrome (275813101318572).

The spelling of 255301001215020 in words is "two hundred fifty-five trillion, three hundred one billion, one million, two hundred fifteen thousand, twenty".