132303321220 has 72 divisors (see below), whose sum is σ = 323900299800. Its totient is φ = 45262586880.

The previous prime is 132303321203. The next prime is 132303321251. The reversal of 132303321220 is 22123303231.

It can be written as a sum of positive squares in 4 ways, for example, as 6885348484 + 125417972736 = 82978^2 + 354144^2 .

It is a junction number, because it is equal to n+sod(n) for n = 132303321191 and 132303321200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 305356 + ... + 598204.

It is an arithmetic number, because the mean of its divisors is an integer number (4498615275).

Almost surely, 2^132303321220 is an apocalyptic number.

132303321220 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 132303321220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161950149900).

132303321220 is an abundant number, since it is smaller than the sum of its proper divisors (191596978580).

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

132303321220 is a wasteful number, since it uses less digits than its factorization.

132303321220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293333 (or 293324 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 132303321220 its reverse (22123303231), we get a palindrome (154426624451).

The spelling of 132303321220 in words is "one hundred thirty-two billion, three hundred three million, three hundred twenty-one thousand, two hundred twenty".