20003320013111 has 4 divisors (see below), whose sum is σ = 20468513501832. Its totient is φ = 19538126524392.

The previous prime is 20003320013093. The next prime is 20003320013113. The reversal of 20003320013111 is 11131002330002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20003320013111 - 2¹⁴ = 20003319996727 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20003320013111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20003320013113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232596744296 + ... + 232596744381.

It is an arithmetic number, because the mean of its divisors is an integer number (5117128375458).

Almost surely, 2^{20003320013111} is an apocalyptic number.

20003320013111 is a deficient number, since it is larger than the sum of its proper divisors (465193488721).

20003320013111 is an equidigital number, since it uses as much as digits as its factorization.

20003320013111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465193488720.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 20003320013111 its reverse (11131002330002), we get a palindrome (31134322343113).

The spelling of 20003320013111 in words is "twenty trillion, three billion, three hundred twenty million, thirteen thousand, one hundred eleven".