20430340001 has 2 divisors, whose sum is σ = 20430340002. Its totient is φ = 20430340000.

The previous prime is 20430339929. The next prime is 20430340003. The reversal of 20430340001 is 10004303402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14098000225 + 6332339776 = 118735^2 + 79576^2 .

It is a cyclic number.

It is not a de Polignac number, because 20430340001 - 2¹⁰ = 20430338977 is a prime.

Together with 20430340003, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20430340003) 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, 10215170000 + 10215170001.

It is an arithmetic number, because the mean of its divisors is an integer number (10215170001).

Almost surely, 2^20430340001 is an apocalyptic number.

It is an amenable number.

20430340001 is a deficient number, since it is larger than the sum of its proper divisors (1).

20430340001 is an equidigital number, since it uses as much as digits as its factorization.

20430340001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 20430340001 its reverse (10004303402), we get a palindrome (30434643403).

The spelling of 20430340001 in words is "twenty billion, four hundred thirty million, three hundred forty thousand, one".