259845020 has 12 divisors (see below), whose sum is σ = 545674584. Its totient is φ = 103938000.

The previous prime is 259845013. The next prime is 259845041. The reversal of 259845020 is 20548952.

It is a happy number.

259845020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6496106 + ... + 6496145.

It is an arithmetic number, because the mean of its divisors is an integer number (45472882).

Almost surely, 2^259845020 is an apocalyptic number.

259845020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

259845020 is an abundant number, since it is smaller than the sum of its proper divisors (285829564).

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

259845020 is a wasteful number, since it uses less digits than its factorization.

259845020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12992260 (or 12992258 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 259845020 is about 16119.7090544464. The cubic root of 259845020 is about 638.1235892296.

The spelling of 259845020 in words is "two hundred fifty-nine million, eight hundred forty-five thousand, twenty".