13302331220 has 24 divisors (see below), whose sum is σ = 28584546144. Its totient is φ = 5197189536.

The previous prime is 13302331213. The next prime is 13302331303. The reversal of 13302331220 is 2213320331.

13302331220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 13302331192 and 13302331201.

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 7 ways as a sum of consecutive naturals, for example, 7733054 + ... + 7734773.

It is an arithmetic number, because the mean of its divisors is an integer number (1191022756).

Almost surely, 2^13302331220 is an apocalyptic number.

13302331220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13302331220 is an abundant number, since it is smaller than the sum of its proper divisors (15282214924).

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

13302331220 is a wasteful number, since it uses less digits than its factorization.

13302331220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15467879 (or 15467877 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 13302331220 its reverse (2213320331), we get a palindrome (15515651551).

The spelling of 13302331220 in words is "thirteen billion, three hundred two million, three hundred thirty-one thousand, two hundred twenty".