220022222221220 has 24 divisors (see below), whose sum is σ = 464236461302208. Its totient is φ = 87591785148000.

The previous prime is 220022222221213. The next prime is 220022222221283. The reversal of 220022222221220 is 22122222220022.

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, 26068979456 + ... + 26068987895.

It is an arithmetic number, because the mean of its divisors is an integer number (19343185887592).

Almost surely, 2^{220022222221220} is an apocalyptic number.

220022222221220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220022222221220 is an abundant number, since it is smaller than the sum of its proper divisors (244214239080988).

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

220022222221220 is a wasteful number, since it uses less digits than its factorization.

220022222221220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52137967571 (or 52137967569 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 220022222221220 its reverse (22122222220022), we get a palindrome (242144444441242).

The spelling of 220022222221220 in words is "two hundred twenty trillion, twenty-two billion, two hundred twenty-two million, two hundred twenty-one thousand, two hundred twenty".