20330213321 has 8 divisors (see below), whose sum is σ = 22180709088. Its totient is φ = 18480100000.

The previous prime is 20330213279. The next prime is 20330213327. The reversal of 20330213321 is 12331203302.

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-20330213321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20330213293 and 20330213302.

It is not an unprimeable number, because it can be changed into a prime (20330213327) 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, 21821 + ... + 202821.

It is an arithmetic number, because the mean of its divisors is an integer number (2772588636).

Almost surely, 2^20330213321 is an apocalyptic number.

It is an amenable number.

20330213321 is a deficient number, since it is larger than the sum of its proper divisors (1850495767).

20330213321 is a wasteful number, since it uses less digits than its factorization.

20330213321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191223.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 20330213321 its reverse (12331203302), we get a palindrome (32661416623).

The spelling of 20330213321 in words is "twenty billion, three hundred thirty million, two hundred thirteen thousand, three hundred twenty-one".