20430211343327 has 2 divisors, whose sum is σ = 20430211343328. Its totient is φ = 20430211343326.

The previous prime is 20430211343261. The next prime is 20430211343359. The reversal of 20430211343327 is 72334311203402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20430211343327 - 2¹² = 20430211339231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20430211343387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10215105671663 + 10215105671664.

It is an arithmetic number, because the mean of its divisors is an integer number (10215105671664).

Almost surely, 2^{20430211343327} is an apocalyptic number.

20430211343327 is a deficient number, since it is larger than the sum of its proper divisors (1).

20430211343327 is an equidigital number, since it uses as much as digits as its factorization.

20430211343327 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 35.

Adding to 20430211343327 its reverse (72334311203402), we get a palindrome (92764522546729).

The spelling of 20430211343327 in words is "twenty trillion, four hundred thirty billion, two hundred eleven million, three hundred forty-three thousand, three hundred twenty-seven".