20330023013 has 8 divisors (see below), whose sum is σ = 20407643256. Its totient is φ = 20252548800.

The previous prime is 20330022953. The next prime is 20330023027. The reversal of 20330023013 is 31032003302.

It can be written as a sum of positive squares in 4 ways, for example, as 1206728644 + 19123294369 = 34738^2 + 138287^2 .

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 20330023013 - 2¹⁴ = 20330006629 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20330022982 and 20330023000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20330023093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246623 + ... + 318563.

It is an arithmetic number, because the mean of its divisors is an integer number (2550955407).

Almost surely, 2^20330023013 is an apocalyptic number.

It is an amenable number.

20330023013 is a deficient number, since it is larger than the sum of its proper divisors (77620243).

20330023013 is an equidigital number, since it uses as much as digits as its factorization.

20330023013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73015.

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 20330023013 its reverse (31032003302), we get a palindrome (51362026315).

The spelling of 20330023013 in words is "twenty billion, three hundred thirty million, twenty-three thousand, thirteen".