220020320112 has 160 divisors (see below), whose sum is σ = 609046732800. Its totient is φ = 68234570496.

The previous prime is 220020319993. The next prime is 220020320119. The reversal of 220020320112 is 211023020022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 220020320091 and 220020320100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220020320119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98090863 + ... + 98093105.

It is an arithmetic number, because the mean of its divisors is an integer number (3806542080).

Almost surely, 2^220020320112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220020320112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (304523366400).

220020320112 is an abundant number, since it is smaller than the sum of its proper divisors (389026412688).

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

220020320112 is a wasteful number, since it uses less digits than its factorization.

220020320112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4155 (or 4149 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 220020320112 its reverse (211023020022), we get a palindrome (431043340134).

The spelling of 220020320112 in words is "two hundred twenty billion, twenty million, three hundred twenty thousand, one hundred twelve".