20331321001 has 8 divisors (see below), whose sum is σ = 20562703200. Its totient is φ = 20100004320.

The previous prime is 20331320963. The next prime is 20331321007. The reversal of 20331321001 is 10012313302.

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 20331321001 - 2¹⁹ = 20330796713 is a prime.

It is a super-2 number, since 2×20331321001² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20331321007) 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, 891106 + ... + 913636.

It is an arithmetic number, because the mean of its divisors is an integer number (2570337900).

Almost surely, 2^20331321001 is an apocalyptic number.

It is an amenable number.

20331321001 is a deficient number, since it is larger than the sum of its proper divisors (231382199).

20331321001 is a wasteful number, since it uses less digits than its factorization.

20331321001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32759.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 20331321001 its reverse (10012313302), we get a palindrome (30343634303).

The spelling of 20331321001 in words is "twenty billion, three hundred thirty-one million, three hundred twenty-one thousand, one".