20013320211 has 16 divisors (see below), whose sum is σ = 27850991616. Its totient is φ = 12759196736.

The previous prime is 20013320209. The next prime is 20013320213. The reversal of 20013320211 is 11202331002.

It is an interprime number because it is at equal distance from previous prime (20013320209) and next prime (20013320213).

It is a cyclic number.

It is not a de Polignac number, because 20013320211 - 2¹ = 20013320209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20013320213) 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 in 15 ways as a sum of consecutive naturals, for example, 293671 + ... + 355343.

It is an arithmetic number, because the mean of its divisors is an integer number (1740686976).

Almost surely, 2^20013320211 is an apocalyptic number.

20013320211 is a deficient number, since it is larger than the sum of its proper divisors (7837671405).

20013320211 is a wasteful number, since it uses less digits than its factorization.

20013320211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66402.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20013320211 its reverse (11202331002), we get a palindrome (31215651213).

The spelling of 20013320211 in words is "twenty billion, thirteen million, three hundred twenty thousand, two hundred eleven".