13232011220 has 12 divisors (see below), whose sum is σ = 27787223604. Its totient is φ = 5292804480.

The previous prime is 13232011211. The next prime is 13232011249. The reversal of 13232011220 is 2211023231.

13232011220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2050640656 + 11181370564 = 45284^2 + 105742^2 .

It is a super-2 number, since 2×13232011220² (a number of 21 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 330800261 + ... + 330800300.

It is an arithmetic number, because the mean of its divisors is an integer number (2315601967).

Almost surely, 2^13232011220 is an apocalyptic number.

13232011220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13232011220 is an abundant number, since it is smaller than the sum of its proper divisors (14555212384).

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

13232011220 is a wasteful number, since it uses less digits than its factorization.

13232011220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661600570 (or 661600568 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 13232011220 its reverse (2211023231), we get a palindrome (15443034451).

The spelling of 13232011220 in words is "thirteen billion, two hundred thirty-two million, eleven thousand, two hundred twenty".