285610020 has 24 divisors (see below), whose sum is σ = 799708224. Its totient is φ = 76162656.

The previous prime is 285609997. The next prime is 285610027. The reversal of 285610020 is 20016582.

It is not an unprimeable number, because it can be changed into a prime (285610027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2380024 + ... + 2380143.

It is an arithmetic number, because the mean of its divisors is an integer number (33321176).

Almost surely, 2^285610020 is an apocalyptic number.

285610020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

285610020 is an abundant number, since it is smaller than the sum of its proper divisors (514098204).

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

285610020 is a wasteful number, since it uses less digits than its factorization.

285610020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4760179 (or 4760177 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 285610020 is about 16900.0005917160. Note that the first 3 decimals coincide. The cubic root of 285610020 is about 658.5536278550.

The spelling of 285610020 in words is "two hundred eighty-five million, six hundred ten thousand, twenty".