20301023213 has 2 divisors, whose sum is σ = 20301023214. Its totient is φ = 20301023212.

The previous prime is 20301023191. The next prime is 20301023243. The reversal of 20301023213 is 31232010302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20261244964 + 39778249 = 142342^2 + 6307^2 .

It is a cyclic number.

It is not a de Polignac number, because 20301023213 - 2¹² = 20301019117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20301023191 and 20301023200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20301023243) 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 as a sum of consecutive naturals, namely, 10150511606 + 10150511607.

It is an arithmetic number, because the mean of its divisors is an integer number (10150511607).

Almost surely, 2^20301023213 is an apocalyptic number.

It is an amenable number.

20301023213 is a deficient number, since it is larger than the sum of its proper divisors (1).

20301023213 is an equidigital number, since it uses as much as digits as its factorization.

20301023213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20301023213 its reverse (31232010302), we get a palindrome (51533033515).

The spelling of 20301023213 in words is "twenty billion, three hundred one million, twenty-three thousand, two hundred thirteen".