20323003213 has 2 divisors, whose sum is σ = 20323003214. Its totient is φ = 20323003212.

The previous prime is 20323003201. The next prime is 20323003237. The reversal of 20323003213 is 31230032302.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18630339049 + 1692664164 = 136493^2 + 41142^2 .

It is a cyclic number.

It is not a de Polignac number, because 20323003213 - 2⁹ = 20323002701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20323003313) 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 as a sum of consecutive naturals, namely, 10161501606 + 10161501607.

It is an arithmetic number, because the mean of its divisors is an integer number (10161501607).

Almost surely, 2^20323003213 is an apocalyptic number.

It is an amenable number.

20323003213 is a deficient number, since it is larger than the sum of its proper divisors (1).

20323003213 is an equidigital number, since it uses as much as digits as its factorization.

20323003213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 20323003213 its reverse (31230032302), we get a palindrome (51553035515).

The spelling of 20323003213 in words is "twenty billion, three hundred twenty-three million, three thousand, two hundred thirteen".