20012122322 has 12 divisors (see below), whose sum is σ = 31887829050. Its totient is φ = 9417469056.

The previous prime is 20012122303. The next prime is 20012122337. The reversal of 20012122322 is 22322121002.

It can be written as a sum of positive squares in 3 ways, for example, as 19957495441 + 54626881 = 141271^2 + 7391^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 20012122322.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 17310947 + ... + 17312102.

Almost surely, 2^20012122322 is an apocalyptic number.

20012122322 is a deficient number, since it is larger than the sum of its proper divisors (11875706728).

20012122322 is a wasteful number, since it uses less digits than its factorization.

20012122322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34623085 (or 34623068 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20012122322 its reverse (22322121002), we get a palindrome (42334243324).

The spelling of 20012122322 in words is "twenty billion, twelve million, one hundred twenty-two thousand, three hundred twenty-two".