220022002220 has 24 divisors (see below), whose sum is σ = 486364426800. Its totient is φ = 83376758592.

The previous prime is 220022002199. The next prime is 220022002231. The reversal of 220022002220 is 22200220022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 220022002195 and 220022002204.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289502255 + ... + 289503014.

It is an arithmetic number, because the mean of its divisors is an integer number (20265184450).

Almost surely, 2^220022002220 is an apocalyptic number.

220022002220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220022002220 is an abundant number, since it is smaller than the sum of its proper divisors (266342424580).

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

220022002220 is a wasteful number, since it uses less digits than its factorization.

220022002220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579005297 (or 579005295 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 220022002220 its reverse (22200220022), we get a palindrome (242222222242).

The spelling of 220022002220 in words is "two hundred twenty billion, twenty-two million, two thousand, two hundred twenty".