20322242012231 has 16 divisors (see below), whose sum is σ = 21098736122400. Its totient is φ = 19550802432000.

The previous prime is 20322242012227. The next prime is 20322242012263. The reversal of 20322242012231 is 13221024222302.

It is a cyclic number.

It is not a de Polignac number, because 20322242012231 - 2² = 20322242012227 is a prime.

It is a super-2 number, since 2×20322242012231² (a number of 27 digits) contains 22 as substring.

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 20322242012231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20322242012431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 273777440 + ... + 273851658.

It is an arithmetic number, because the mean of its divisors is an integer number (1318671007650).

Almost surely, 2^{20322242012231} is an apocalyptic number.

20322242012231 is a deficient number, since it is larger than the sum of its proper divisors (776494110169).

20322242012231 is a wasteful number, since it uses less digits than its factorization.

20322242012231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108130.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 20322242012231 its reverse (13221024222302), we get a palindrome (33543266234533).

The spelling of 20322242012231 in words is "twenty trillion, three hundred twenty-two billion, two hundred forty-two million, twelve thousand, two hundred thirty-one".