220103222220 has 144 divisors (see below), whose sum is σ = 770156045568. Its totient is φ = 49839096960.

The previous prime is 220103222167. The next prime is 220103222243. The reversal of 220103222220 is 22222301022.

220103222220 is a `hidden beast` number, since 220 + 1 + 0 + 3 + 222 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 220103222193 and 220103222202.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 681466 + ... + 951105.

It is an arithmetic number, because the mean of its divisors is an integer number (5348305872).

Almost surely, 2^220103222220 is an apocalyptic number.

220103222220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220103222220 is an abundant number, since it is smaller than the sum of its proper divisors (550052823348).

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

220103222220 is a wasteful number, since it uses less digits than its factorization.

220103222220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1632700 (or 1632695 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 220103222220 its reverse (22222301022), we get a palindrome (242325523242).

The spelling of 220103222220 in words is "two hundred twenty billion, one hundred three million, two hundred twenty-two thousand, two hundred twenty".