255151020 has 48 divisors (see below), whose sum is σ = 715131648. Its totient is φ = 67972800.

The previous prime is 255151009. The next prime is 255151033. The reversal of 255151020 is 20151552.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98745 + ... + 101295.

It is an arithmetic number, because the mean of its divisors is an integer number (14898576).

Almost surely, 2^255151020 is an apocalyptic number.

255151020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255151020 is an abundant number, since it is smaller than the sum of its proper divisors (459980628).

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

255151020 is a wasteful number, since it uses less digits than its factorization.

255151020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4230 (or 4228 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 255151020 is about 15973.4473423867. The cubic root of 255151020 is about 634.2577310634.

The spelling of 255151020 in words is "two hundred fifty-five million, one hundred fifty-one thousand, twenty".