13233143220 has 144 divisors (see below), whose sum is σ = 41132980224. Its totient is φ = 3176096000.

The previous prime is 13233143137. The next prime is 13233143221. The reversal of 13233143220 is 2234133231.

13233143220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13233143221) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 724237 + ... + 742283.

It is an arithmetic number, because the mean of its divisors is an integer number (285645696).

Almost surely, 2^13233143220 is an apocalyptic number.

13233143220 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 13233143220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20566490112).

13233143220 is an abundant number, since it is smaller than the sum of its proper divisors (27899837004).

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

13233143220 is a wasteful number, since it uses less digits than its factorization.

13233143220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18182 (or 18169 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 13233143220 its reverse (2234133231), we get a palindrome (15467276451).

The spelling of 13233143220 in words is "thirteen billion, two hundred thirty-three million, one hundred forty-three thousand, two hundred twenty".