220400022220 has 48 divisors (see below), whose sum is σ = 532510171200. Its totient is φ = 75058562304.

The previous prime is 220400022217. The next prime is 220400022289. The reversal of 220400022220 is 22220004022.

It is a junction number, because it is equal to n+sod(n) for n = 220400022194 and 220400022203.

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, 5261979 + ... + 5303698.

It is an arithmetic number, because the mean of its divisors is an integer number (11093961900).

Almost surely, 2^220400022220 is an apocalyptic number.

220400022220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220400022220 is an abundant number, since it is smaller than the sum of its proper divisors (312110148980).

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

220400022220 is a wasteful number, since it uses less digits than its factorization.

220400022220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10565842 (or 10565840 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 220400022220 its reverse (22220004022), we get a palindrome (242620026242).

The spelling of 220400022220 in words is "two hundred twenty billion, four hundred million, twenty-two thousand, two hundred twenty".