320133113020 has 48 divisors (see below), whose sum is σ = 780914893248. Its totient is φ = 107960578560.

The previous prime is 320133112993. The next prime is 320133113029. The reversal of 320133113020 is 20311331023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320133113029) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 18734617 + ... + 18751696.

It is an arithmetic number, because the mean of its divisors is an integer number (16269060276).

Almost surely, 2^320133113020 is an apocalyptic number.

It is an amenable number.

320133113020 is an abundant number, since it is smaller than the sum of its proper divisors (460781780228).

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

320133113020 is a wasteful number, since it uses less digits than its factorization.

320133113020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37486390 (or 37486388 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 320133113020 its reverse (20311331023), we get a palindrome (340444444043).

The spelling of 320133113020 in words is "three hundred twenty billion, one hundred thirty-three million, one hundred thirteen thousand, twenty".