260538020 has 24 divisors (see below), whose sum is σ = 570919104. Its totient is φ = 99683936.

The previous prime is 260538017. The next prime is 260538049. The reversal of 260538020 is 20835062.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282734 + ... + 283653.

It is an arithmetic number, because the mean of its divisors is an integer number (23788296).

Almost surely, 2^260538020 is an apocalyptic number.

260538020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260538020 is an abundant number, since it is smaller than the sum of its proper divisors (310381084).

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

260538020 is a wasteful number, since it uses less digits than its factorization.

260538020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566419 (or 566417 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 260538020 is about 16141.1901667752. The cubic root of 260538020 is about 638.6903720749.

The spelling of 260538020 in words is "two hundred sixty million, five hundred thirty-eight thousand, twenty".