32220843018 has 64 divisors (see below), whose sum is σ = 80054231040. Its totient is φ = 8418370752.

The previous prime is 32220843013. The next prime is 32220843047. The reversal of 32220843018 is 81034802223.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 32220843018.

It is not an unprimeable number, because it can be changed into a prime (32220843013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 217338 + ... + 334181.

It is an arithmetic number, because the mean of its divisors is an integer number (1250847360).

Almost surely, 2^32220843018 is an apocalyptic number.

32220843018 is an abundant number, since it is smaller than the sum of its proper divisors (47833388022).

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

32220843018 is a wasteful number, since it uses less digits than its factorization.

32220843018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551651.

The product of its (nonzero) digits is 18432, while the sum is 33.

The spelling of 32220843018 in words is "thirty-two billion, two hundred twenty million, eight hundred forty-three thousand, eighteen".