220322123220 has 96 divisors (see below), whose sum is σ = 623828604672. Its totient is φ = 58094604288.

The previous prime is 220322123209. The next prime is 220322123257. The reversal of 220322123220 is 22321223022.

220322123220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 4132654 + ... + 4185626.

It is an arithmetic number, because the mean of its divisors is an integer number (6498214632).

Almost surely, 2^220322123220 is an apocalyptic number.

220322123220 is a gapful number since it is divisible by the number (20) 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 220322123220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (311914302336).

220322123220 is an abundant number, since it is smaller than the sum of its proper divisors (403506481452).

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

220322123220 is a wasteful number, since it uses less digits than its factorization.

220322123220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53761 (or 53759 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 220322123220 its reverse (22321223022), we get a palindrome (242643346242).

The spelling of 220322123220 in words is "two hundred twenty billion, three hundred twenty-two million, one hundred twenty-three thousand, two hundred twenty".