20340120041 has 2 divisors, whose sum is σ = 20340120042. Its totient is φ = 20340120040.

The previous prime is 20340120019. The next prime is 20340120043. The reversal of 20340120041 is 14002104302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15103426816 + 5236693225 = 122896^2 + 72365^2 .

It is a cyclic number.

It is not a de Polignac number, because 20340120041 - 2³⁴ = 3160250857 is a prime.

Together with 20340120043, 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 (20340120043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10170060020 + 10170060021.

It is an arithmetic number, because the mean of its divisors is an integer number (10170060021).

Almost surely, 2^20340120041 is an apocalyptic number.

It is an amenable number.

20340120041 is a deficient number, since it is larger than the sum of its proper divisors (1).

20340120041 is an equidigital number, since it uses as much as digits as its factorization.

20340120041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20340120041 its reverse (14002104302), we get a palindrome (34342224343).

The spelling of 20340120041 in words is "twenty billion, three hundred forty million, one hundred twenty thousand, forty-one".