82120182 has 24 divisors (see below), whose sum is σ = 166875624. Its totient is φ = 26936064.

The previous prime is 82120177. The next prime is 82120187. The reversal of 82120182 is 28102128.

It is an interprime number because it is at equal distance from previous prime (82120177) and next prime (82120187).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82120187) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 189438 + ... + 189870.

It is an arithmetic number, because the mean of its divisors is an integer number (6953151).

Almost surely, 2^82120182 is an apocalyptic number.

82120182 is an abundant number, since it is smaller than the sum of its proper divisors (84755442).

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

82120182 is an equidigital number, since it uses as much as digits as its factorization.

82120182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 944 (or 511 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 24.

The square root of 82120182 is about 9062.0186492856. The cubic root of 82120182 is about 434.6602923160.

The spelling of 82120182 in words is "eighty-two million, one hundred twenty thousand, one hundred eighty-two".