320332023021 has 8 divisors (see below), whose sum is σ = 449588804320. Its totient is φ = 202314961872.

The previous prime is 320332022963. The next prime is 320332023083. The reversal of 320332023021 is 120320233023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 320332023021 - 2¹¹ = 320332020973 is a prime.

It is a super-2 number, since 2×320332023021² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320332023091) 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 7 ways as a sum of consecutive naturals, for example, 2809929970 + ... + 2809930083.

It is an arithmetic number, because the mean of its divisors is an integer number (56198600540).

Almost surely, 2^320332023021 is an apocalyptic number.

It is an amenable number.

320332023021 is a deficient number, since it is larger than the sum of its proper divisors (129256781299).

320332023021 is a wasteful number, since it uses less digits than its factorization.

320332023021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5619860075.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 320332023021 its reverse (120320233023), we get a palindrome (440652256044).

The spelling of 320332023021 in words is "three hundred twenty billion, three hundred thirty-two million, twenty-three thousand, twenty-one".