220332031321 has 8 divisors (see below), whose sum is σ = 223101091584. Its totient is φ = 217565696400.

The previous prime is 220332031277. The next prime is 220332031429. The reversal of 220332031321 is 123130233022.

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

It is a cyclic number.

It is not a de Polignac number, because 220332031321 - 2³¹ = 218184547673 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220332031292 and 220332031301.

It is not an unprimeable number, because it can be changed into a prime (220332031021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 518386 + ... + 842251.

It is an arithmetic number, because the mean of its divisors is an integer number (27887636448).

Almost surely, 2^220332031321 is an apocalyptic number.

It is an amenable number.

220332031321 is a deficient number, since it is larger than the sum of its proper divisors (2769060263).

220332031321 is a wasteful number, since it uses less digits than its factorization.

220332031321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362671.

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

Adding to 220332031321 its reverse (123130233022), we get a palindrome (343462264343).

The spelling of 220332031321 in words is "two hundred twenty billion, three hundred thirty-two million, thirty-one thousand, three hundred twenty-one".