1982000180 has 12 divisors (see below), whose sum is σ = 4162200420. Its totient is φ = 792800064.

The previous prime is 1982000177. The next prime is 1982000203. The reversal of 1982000180 is 810002891.

It can be written as a sum of positive squares in 2 ways, for example, as 894847396 + 1087152784 = 29914^2 + 32972^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49549985 + ... + 49550024.

It is an arithmetic number, because the mean of its divisors is an integer number (346850035).

Almost surely, 2^1982000180 is an apocalyptic number.

1982000180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1982000180 is an abundant number, since it is smaller than the sum of its proper divisors (2180200240).

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

1982000180 is a wasteful number, since it uses less digits than its factorization.

1982000180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99100018 (or 99100016 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 29.

The square root of 1982000180 is about 44519.6606006829. The cubic root of 1982000180 is about 1256.1299284430.

The spelling of 1982000180 in words is "one billion, nine hundred eighty-two million, one hundred eighty", and thus it is an aban number.