13213110220 has 48 divisors (see below), whose sum is σ = 28068405120. Its totient is φ = 5224454144.

The previous prime is 13213110149. The next prime is 13213110271. The reversal of 13213110220 is 2201131231.

It is a junction number, because it is equal to n+sod(n) for n = 13213110194 and 13213110203.

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, 644772 + ... + 664948.

It is an arithmetic number, because the mean of its divisors is an integer number (584758440).

Almost surely, 2^13213110220 is an apocalyptic number.

13213110220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13213110220 is an abundant number, since it is smaller than the sum of its proper divisors (14855294900).

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

13213110220 is a wasteful number, since it uses less digits than its factorization.

13213110220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20562 (or 20560 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 13213110220 its reverse (2201131231), we get a palindrome (15414241451).

The spelling of 13213110220 in words is "thirteen billion, two hundred thirteen million, one hundred ten thousand, two hundred twenty".