1320133332 has 24 divisors (see below), whose sum is σ = 3520355776. Its totient is φ = 377180928.

The previous prime is 1320133313. The next prime is 1320133337. The reversal of 1320133332 is 2333310231.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 1320133299 and 1320133308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320133337) 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 7 ways as a sum of consecutive naturals, for example, 7857853 + ... + 7858020.

Almost surely, 2^1320133332 is an apocalyptic number.

1320133332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1320133332 is an abundant number, since it is smaller than the sum of its proper divisors (2200222444).

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

1320133332 is a wasteful number, since it uses less digits than its factorization.

1320133332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15715887 (or 15715885 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

The square root of 1320133332 is about 36333.6391240955. The cubic root of 1320133332 is about 1096.9982435979.

Adding to 1320133332 its reverse (2333310231), we get a palindrome (3653443563).

The spelling of 1320133332 in words is "one billion, three hundred twenty million, one hundred thirty-three thousand, three hundred thirty-two".