320222010220 has 96 divisors (see below), whose sum is σ = 788407861248. Its totient is φ = 106972088832.

The previous prime is 320222010181. The next prime is 320222010239. The reversal of 320222010220 is 22010222023.

It is a junction number, because it is equal to n+sod(n) for n = 320222010194 and 320222010203.

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, 1358224 + ... + 1576456.

It is an arithmetic number, because the mean of its divisors is an integer number (8212581888).

Almost surely, 2^320222010220 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 320222010220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (394203930624).

320222010220 is an abundant number, since it is smaller than the sum of its proper divisors (468185851028).

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

320222010220 is a wasteful number, since it uses less digits than its factorization.

320222010220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218519 (or 218517 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 320222010220 its reverse (22010222023), we get a palindrome (342232232243).

The spelling of 320222010220 in words is "three hundred twenty billion, two hundred twenty-two million, ten thousand, two hundred twenty".