220022222320 has 40 divisors (see below), whose sum is σ = 512056842336. Its totient is φ = 87921977088.

The previous prime is 220022222311. The next prime is 220022222323. The reversal of 220022222320 is 23222220022.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220022222323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1276452 + ... + 1438531.

Almost surely, 2^220022222320 is an apocalyptic number.

220022222320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220022222320 is an abundant number, since it is smaller than the sum of its proper divisors (292034620016).

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

220022222320 is a wasteful number, since it uses less digits than its factorization.

220022222320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2716009 (or 2716003 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

Adding to 220022222320 its reverse (23222220022), we get a palindrome (243244442342).

The spelling of 220022222320 in words is "two hundred twenty billion, twenty-two million, two hundred twenty-two thousand, three hundred twenty".