275995020 has 48 divisors (see below), whose sum is σ = 883185408. Its totient is φ = 63084480.

The previous prime is 275994997. The next prime is 275995037. The reversal of 275995020 is 20599572.

It is a self number, because there is not a number n which added to its sum of digits gives 275995020.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 328146 + ... + 328985.

It is an arithmetic number, because the mean of its divisors is an integer number (18399696).

Almost surely, 2^275995020 is an apocalyptic number.

275995020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

275995020 is an abundant number, since it is smaller than the sum of its proper divisors (607190388).

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

275995020 is a wasteful number, since it uses less digits than its factorization.

275995020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657150 (or 657148 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 39.

The square root of 275995020 is about 16613.0978447730. The cubic root of 275995020 is about 651.0790911951.

It can be divided in two parts, 2759 and 95020, that added together give a palindrome (97779).

The spelling of 275995020 in words is "two hundred seventy-five million, nine hundred ninety-five thousand, twenty".