32323232220 has 96 divisors (see below), whose sum is σ = 91215376896. Its totient is φ = 8552044800.

The previous prime is 32323232173. The next prime is 32323232243. The reversal of 32323232220 is 2223232323.

It is a super-2 number, since 2×32323232220² (a number of 22 digits) contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 7637505 + ... + 7641735.

It is an arithmetic number, because the mean of its divisors is an integer number (950160176).

Almost surely, 2^32323232220 is an apocalyptic number.

32323232220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32323232220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45607688448).

32323232220 is an abundant number, since it is smaller than the sum of its proper divisors (58892144676).

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

32323232220 is a wasteful number, since it uses less digits than its factorization.

32323232220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5211 (or 5209 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 24.

Adding to 32323232220 its reverse (2223232323), we get a palindrome (34546464543).

The spelling of 32323232220 in words is "thirty-two billion, three hundred twenty-three million, two hundred thirty-two thousand, two hundred twenty".