320222104220 has 24 divisors (see below), whose sum is σ = 686774217024. Its totient is φ = 125363546816.

The previous prime is 320222104217. The next prime is 320222104243. The reversal of 320222104220 is 22401222023.

It is a super-3 number, since 3×320222104220³ (a number of 35 digits) contains 333 as substring.

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 = 320222104192 and 320222104201.

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 7 ways as a sum of consecutive naturals, for example, 170329967 + ... + 170331846.

It is an arithmetic number, because the mean of its divisors is an integer number (28615592376).

Almost surely, 2^320222104220 is an apocalyptic number.

It is an amenable number.

320222104220 is an abundant number, since it is smaller than the sum of its proper divisors (366552112804).

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

320222104220 is a wasteful number, since it uses less digits than its factorization.

320222104220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340661869 (or 340661867 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 320222104220 its reverse (22401222023), we get a palindrome (342623326243).

The spelling of 320222104220 in words is "three hundred twenty billion, two hundred twenty-two million, one hundred four thousand, two hundred twenty".