20330032031321 has 8 divisors (see below), whose sum is σ = 21401782473600. Its totient is φ = 19258456464720.

The previous prime is 20330032031263. The next prime is 20330032031339. The reversal of 20330032031321 is 12313023003302.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20330032031321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20330032031341) 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, 43480250 + ... + 43945331.

It is an arithmetic number, because the mean of its divisors is an integer number (2675222809200).

Almost surely, 2^{20330032031321} is an apocalyptic number.

It is an amenable number.

20330032031321 is a deficient number, since it is larger than the sum of its proper divisors (1071750442279).

20330032031321 is a wasteful number, since it uses less digits than its factorization.

20330032031321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87437839.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 20330032031321 its reverse (12313023003302), we get a palindrome (32643055034623).

The spelling of 20330032031321 in words is "twenty trillion, three hundred thirty billion, thirty-two million, thirty-one thousand, three hundred twenty-one".