20320420121411 has 2 divisors, whose sum is σ = 20320420121412. Its totient is φ = 20320420121410.

The previous prime is 20320420121399. The next prime is 20320420121459. The reversal of 20320420121411 is 11412102402302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20320420121411 - 2⁶ = 20320420121347 is a prime.

It is not a weakly prime, because it can be changed into another prime (20320420121471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10160210060705 + 10160210060706.

It is an arithmetic number, because the mean of its divisors is an integer number (10160210060706).

Almost surely, 2^{20320420121411} is an apocalyptic number.

20320420121411 is a deficient number, since it is larger than the sum of its proper divisors (1).

20320420121411 is an equidigital number, since it uses as much as digits as its factorization.

20320420121411 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 20320420121411 its reverse (11412102402302), we get a palindrome (31732522523713).

The spelling of 20320420121411 in words is "twenty trillion, three hundred twenty billion, four hundred twenty million, one hundred twenty-one thousand, four hundred eleven".