20113332013331 has 2 divisors, whose sum is σ = 20113332013332. Its totient is φ = 20113332013330.

The previous prime is 20113332013319. The next prime is 20113332013339. The reversal of 20113332013331 is 13331023331102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20113332013331 - 2⁴² = 15715285502227 is a prime.

It is a super-2 number, since 2×20113332013331² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20113332013331.

It is not a weakly prime, because it can be changed into another prime (20113332013339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10056666006665 + 10056666006666.

It is an arithmetic number, because the mean of its divisors is an integer number (10056666006666).

Almost surely, 2^{20113332013331} is an apocalyptic number.

20113332013331 is a deficient number, since it is larger than the sum of its proper divisors (1).

20113332013331 is an equidigital number, since it uses as much as digits as its factorization.

20113332013331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 20113332013331 its reverse (13331023331102), we get a palindrome (33444355344433).

The spelling of 20113332013331 in words is "twenty trillion, one hundred thirteen billion, three hundred thirty-two million, thirteen thousand, three hundred thirty-one".