13331233220 has 48 divisors (see below), whose sum is σ = 28607040000. Its totient is φ = 5216152704.

The previous prime is 13331233217. The next prime is 13331233229. The reversal of 13331233220 is 2233213331.

13331233220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13331233229) 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 15 ways as a sum of consecutive naturals, for example, 2664281 + ... + 2669279.

It is an arithmetic number, because the mean of its divisors is an integer number (595980000).

Almost surely, 2^13331233220 is an apocalyptic number.

13331233220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13331233220 is an abundant number, since it is smaller than the sum of its proper divisors (15275806780).

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

13331233220 is a wasteful number, since it uses less digits than its factorization.

13331233220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7892 (or 7890 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 13331233220 its reverse (2233213331), we get a palindrome (15564446551).

The spelling of 13331233220 in words is "thirteen billion, three hundred thirty-one million, two hundred thirty-three thousand, two hundred twenty".