13103222220 has 72 divisors (see below), whose sum is σ = 43359760080. Its totient is φ = 3176538240.

The previous prime is 13103222203. The next prime is 13103222309. The reversal of 13103222220 is 2222230131.

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 = 13103222193 and 13103222202.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3306915 + ... + 3310874.

It is an arithmetic number, because the mean of its divisors is an integer number (602218890).

Almost surely, 2^13103222220 is an apocalyptic number.

13103222220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13103222220 is an abundant number, since it is smaller than the sum of its proper divisors (30256537860).

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

13103222220 is a wasteful number, since it uses less digits than its factorization.

13103222220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6617815 (or 6617810 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 13103222220 its reverse (2222230131), we get a palindrome (15325452351).

The spelling of 13103222220 in words is "thirteen billion, one hundred three million, two hundred twenty-two thousand, two hundred twenty".