13220203120 has 80 divisors (see below), whose sum is σ = 32132086272. Its totient is φ = 5048904960.

The previous prime is 13220203109. The next prime is 13220203147. The reversal of 13220203120 is 2130202231.

13220203120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 13220203094 and 13220203103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1044349 + ... + 1056931.

Almost surely, 2^13220203120 is an apocalyptic number.

13220203120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13220203120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16066043136).

13220203120 is an abundant number, since it is smaller than the sum of its proper divisors (18911883152).

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

13220203120 is a wasteful number, since it uses less digits than its factorization.

13220203120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13190 (or 13184 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 13220203120 its reverse (2130202231), we get a palindrome (15350405351).

The spelling of 13220203120 in words is "thirteen billion, two hundred twenty million, two hundred three thousand, one hundred twenty".