220132221320 has 128 divisors (see below), whose sum is σ = 543090925440. Its totient is φ = 79639203840.

The previous prime is 220132221259. The next prime is 220132221373. The reversal of 220132221320 is 23122231022.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 220132221292 and 220132221301.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 141745664 + ... + 141747216.

It is an arithmetic number, because the mean of its divisors is an integer number (4242897855).

Almost surely, 2^220132221320 is an apocalyptic number.

220132221320 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 220132221320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271545462720).

220132221320 is an abundant number, since it is smaller than the sum of its proper divisors (322958704120).

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

220132221320 is a wasteful number, since it uses less digits than its factorization.

220132221320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3015 (or 3011 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 220132221320 its reverse (23122231022), we get a palindrome (243254452342).

The spelling of 220132221320 in words is "two hundred twenty billion, one hundred thirty-two million, two hundred twenty-one thousand, three hundred twenty".