2585055020 has 48 divisors (see below), whose sum is σ = 5756002560. Its totient is φ = 971833344.

The previous prime is 2585055017. The next prime is 2585055059. The reversal of 2585055020 is 205505852.

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, 256517 + ... + 266403.

It is an arithmetic number, because the mean of its divisors is an integer number (119916720).

Almost surely, 2^2585055020 is an apocalyptic number.

2585055020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2585055020 is an abundant number, since it is smaller than the sum of its proper divisors (3170947540).

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

2585055020 is a wasteful number, since it uses less digits than its factorization.

2585055020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10682 (or 10680 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 32.

The square root of 2585055020 is about 50843.4363512145. The cubic root of 2585055020 is about 1372.4291391336.

The spelling of 2585055020 in words is "two billion, five hundred eighty-five million, fifty-five thousand, twenty".