20330002321 has 8 divisors (see below), whose sum is σ = 20580245280. Its totient is φ = 20079885792.

The previous prime is 20330002291. The next prime is 20330002367. The reversal of 20330002321 is 12320003302.

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 20330002321 - 2⁷ = 20330002193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20330002295 and 20330002304.

It is not an unprimeable number, because it can be changed into a prime (20330002921) 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, 315210 + ... + 374188.

It is an arithmetic number, because the mean of its divisors is an integer number (2572530660).

Almost surely, 2^20330002321 is an apocalyptic number.

It is an amenable number.

20330002321 is a deficient number, since it is larger than the sum of its proper divisors (250242959).

20330002321 is an equidigital number, since it uses as much as digits as its factorization.

20330002321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63215.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 20330002321 its reverse (12320003302), we get a palindrome (32650005623).

The spelling of 20330002321 in words is "twenty billion, three hundred thirty million, two thousand, three hundred twenty-one".