220022440220 has 48 divisors (see below), whose sum is σ = 510431846400. Its totient is φ = 78995392320.

The previous prime is 220022440207. The next prime is 220022440301. The reversal of 220022440220 is 22044220022.

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 = 220022440192 and 220022440201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6312380 + ... + 6347139.

It is an arithmetic number, because the mean of its divisors is an integer number (10633996800).

Almost surely, 2^220022440220 is an apocalyptic number.

220022440220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220022440220 is an abundant number, since it is smaller than the sum of its proper divisors (290409406180).

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

220022440220 is a wasteful number, since it uses less digits than its factorization.

220022440220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12659618 (or 12659616 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 220022440220 its reverse (22044220022), we get a palindrome (242066660242).

The spelling of 220022440220 in words is "two hundred twenty billion, twenty-two million, four hundred forty thousand, two hundred twenty".