320133220132 has 18 divisors (see below), whose sum is σ = 615793447094. Its totient is φ = 145515099840.

The previous prime is 320133220117. The next prime is 320133220163. The reversal of 320133220132 is 231022331023.

It can be written as a sum of positive squares in only one way, i.e., 310122016996 + 10011203136 = 556886^2 + 100056^2 .

It is a super-4 number, since 4×320133220132⁴ (a number of 47 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

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 5 ways as a sum of consecutive naturals, for example, 330715653 + ... + 330716620.

Almost surely, 2^320133220132 is an apocalyptic number.

It is an amenable number.

320133220132 is a deficient number, since it is larger than the sum of its proper divisors (295660226962).

320133220132 is a wasteful number, since it uses less digits than its factorization.

320133220132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661432299 (or 661432286 counting only the distinct ones).

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

Adding to 320133220132 its reverse (231022331023), we get a palindrome (551155551155).

The spelling of 320133220132 in words is "three hundred twenty billion, one hundred thirty-three million, two hundred twenty thousand, one hundred thirty-two".