20023330013 has 2 divisors, whose sum is σ = 20023330014. Its totient is φ = 20023330012.

The previous prime is 20023330009. The next prime is 20023330021. The reversal of 20023330013 is 31003332002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16600260964 + 3423069049 = 128842^2 + 58507^2 .

It is a cyclic number.

It is not a de Polignac number, because 20023330013 - 2² = 20023330009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20023329973 and 20023330000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20023330003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10011665006 + 10011665007.

It is an arithmetic number, because the mean of its divisors is an integer number (10011665007).

Almost surely, 2^20023330013 is an apocalyptic number.

It is an amenable number.

20023330013 is a deficient number, since it is larger than the sum of its proper divisors (1).

20023330013 is an equidigital number, since it uses as much as digits as its factorization.

20023330013 is an evil number, because the sum of its binary digits is even.

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

Adding to 20023330013 its reverse (31003332002), we get a palindrome (51026662015).

The spelling of 20023330013 in words is "twenty billion, twenty-three million, three hundred thirty thousand, thirteen".