20320212213 has 48 divisors (see below), whose sum is σ = 34134422400. Its totient is φ = 11407789440.

The previous prime is 20320212193. The next prime is 20320212221. The reversal of 20320212213 is 31221202302.

It is not a de Polignac number, because 20320212213 - 2²⁹ = 19783341301 is a prime.

It is a super-2 number, since 2×20320212213² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20320212613) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3913423 + ... + 3918611.

It is an arithmetic number, because the mean of its divisors is an integer number (711133800).

Almost surely, 2^20320212213 is an apocalyptic number.

It is an amenable number.

20320212213 is a deficient number, since it is larger than the sum of its proper divisors (13814210187).

20320212213 is a wasteful number, since it uses less digits than its factorization.

20320212213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6282 (or 6279 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20320212213 its reverse (31221202302), we get a palindrome (51541414515).

The spelling of 20320212213 in words is "twenty billion, three hundred twenty million, two hundred twelve thousand, two hundred thirteen".