20033313013321 has 2 divisors, whose sum is σ = 20033313013322. Its totient is φ = 20033313013320.

The previous prime is 20033313013277. The next prime is 20033313013333. The reversal of 20033313013321 is 12331031333002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20020156923321 + 13156090000 = 4474389^2 + 114700^2 .

It is a cyclic number.

It is not a de Polignac number, because 20033313013321 - 2¹¹ = 20033313011273 is a prime.

It is not a weakly prime, because it can be changed into another prime (20033313013621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10016656506660 + 10016656506661.

It is an arithmetic number, because the mean of its divisors is an integer number (10016656506661).

Almost surely, 2^{20033313013321} is an apocalyptic number.

It is an amenable number.

20033313013321 is a deficient number, since it is larger than the sum of its proper divisors (1).

20033313013321 is an equidigital number, since it uses as much as digits as its factorization.

20033313013321 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 25.

Adding to 20033313013321 its reverse (12331031333002), we get a palindrome (32364344346323).

The spelling of 20033313013321 in words is "twenty trillion, thirty-three billion, three hundred thirteen million, thirteen thousand, three hundred twenty-one".