20342301232213 has 2 divisors, whose sum is σ = 20342301232214. Its totient is φ = 20342301232212.

The previous prime is 20342301232207. The next prime is 20342301232243. The reversal of 20342301232213 is 31223210324302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19979809334884 + 362491897329 = 4469878^2 + 602073^2 .

It is a cyclic number.

It is not a de Polignac number, because 20342301232213 - 2²¹ = 20342299135061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20342301232243) 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, 10171150616106 + 10171150616107.

It is an arithmetic number, because the mean of its divisors is an integer number (10171150616107).

Almost surely, 2^{20342301232213} is an apocalyptic number.

It is an amenable number.

20342301232213 is a deficient number, since it is larger than the sum of its proper divisors (1).

20342301232213 is an equidigital number, since it uses as much as digits as its factorization.

20342301232213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 20342301232213 its reverse (31223210324302), we get a palindrome (51565511556515).

The spelling of 20342301232213 in words is "twenty trillion, three hundred forty-two billion, three hundred one million, two hundred thirty-two thousand, two hundred thirteen".