20320213322211 has 24 divisors (see below), whose sum is σ = 29782045226640. Its totient is φ = 12314678238720.

The previous prime is 20320213322209. The next prime is 20320213322249. The reversal of 20320213322211 is 11222331202302.

It is not a de Polignac number, because 20320213322211 - 2¹ = 20320213322209 is a prime.

It is a super-2 number, since 2×20320213322211² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20320213322911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6116095 + ... + 8834423.

It is an arithmetic number, because the mean of its divisors is an integer number (1240918551110).

Almost surely, 2^{20320213322211} is an apocalyptic number.

20320213322211 is a deficient number, since it is larger than the sum of its proper divisors (9461831904429).

20320213322211 is a wasteful number, since it uses less digits than its factorization.

20320213322211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2738947 (or 2738936 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 20320213322211 its reverse (11222331202302), we get a palindrome (31542544524513).

The spelling of 20320213322211 in words is "twenty trillion, three hundred twenty billion, two hundred thirteen million, three hundred twenty-two thousand, two hundred eleven".