32243312220 has 144 divisors (see below), whose sum is σ = 109587437568. Its totient is φ = 7049454720.

The previous prime is 32243312207. The next prime is 32243312239. The reversal of 32243312220 is 2221334223.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 170796 + ... + 306035.

It is an arithmetic number, because the mean of its divisors is an integer number (761023872).

Almost surely, 2^32243312220 is an apocalyptic number.

32243312220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

32243312220 is an abundant number, since it is smaller than the sum of its proper divisors (77344125348).

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

32243312220 is a wasteful number, since it uses less digits than its factorization.

32243312220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476880 (or 476871 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 32243312220 its reverse (2221334223), we get a palindrome (34464646443).

The spelling of 32243312220 in words is "thirty-two billion, two hundred forty-three million, three hundred twelve thousand, two hundred twenty".