2185882620 has 48 divisors (see below), whose sum is σ = 6126777888. Its totient is φ = 582301440.

The previous prime is 2185882603. The next prime is 2185882639. The reversal of 2185882620 is 262885812.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 41550 + ... + 78090.

It is an arithmetic number, because the mean of its divisors is an integer number (127641206).

Almost surely, 2^2185882620 is an apocalyptic number.

2185882620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2185882620 is an abundant number, since it is smaller than the sum of its proper divisors (3940895268).

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

2185882620 is a wasteful number, since it uses less digits than its factorization.

2185882620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37550 (or 37548 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 42.

The square root of 2185882620 is about 46753.4236179555. The cubic root of 2185882620 is about 1297.8035137762.

The spelling of 2185882620 in words is "two billion, one hundred eighty-five million, eight hundred eighty-two thousand, six hundred twenty".