82209933220 has 12 divisors (see below), whose sum is σ = 172640859804. Its totient is φ = 32883973280.

The previous prime is 82209933181. The next prime is 82209933263. The reversal of 82209933220 is 2233990228.

It can be written as a sum of positive squares in 2 ways, for example, as 16169156964 + 66040776256 = 127158^2 + 256984^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2055248311 + ... + 2055248350.

It is an arithmetic number, because the mean of its divisors is an integer number (14386738317).

Almost surely, 2^82209933220 is an apocalyptic number.

It is an amenable number.

82209933220 is an abundant number, since it is smaller than the sum of its proper divisors (90430926584).

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

82209933220 is a wasteful number, since it uses less digits than its factorization.

82209933220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4110496670 (or 4110496668 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 40.

The spelling of 82209933220 in words is "eighty-two billion, two hundred nine million, nine hundred thirty-three thousand, two hundred twenty".