20201333321131 has 2 divisors, whose sum is σ = 20201333321132. Its totient is φ = 20201333321130.

The previous prime is 20201333321129. The next prime is 20201333321149. The reversal of 20201333321131 is 13112333310202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20201333321131 - 2¹ = 20201333321129 is a prime.

It is a super-2 number, since 2×20201333321131² (a number of 27 digits) contains 22 as substring.

Together with 20201333321129, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 20201333321096 and 20201333321105.

It is not a weakly prime, because it can be changed into another prime (20201333321231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100666660565 + 10100666660566.

It is an arithmetic number, because the mean of its divisors is an integer number (10100666660566).

Almost surely, 2^{20201333321131} is an apocalyptic number.

20201333321131 is a deficient number, since it is larger than the sum of its proper divisors (1).

20201333321131 is an equidigital number, since it uses as much as digits as its factorization.

20201333321131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 20201333321131 its reverse (13112333310202), we get a palindrome (33313666631333).

The spelling of 20201333321131 in words is "twenty trillion, two hundred one billion, three hundred thirty-three million, three hundred twenty-one thousand, one hundred thirty-one".