20112315322 has 12 divisors (see below), whose sum is σ = 33160388058. Its totient is φ = 9141961400.

The previous prime is 20112315317. The next prime is 20112315331. The reversal of 20112315322 is 22351321102.

It can be written as a sum of positive squares in only one way, i.e., 20107523601 + 4791721 = 141801^2 + 2189^2 .

It is a super-2 number, since 2×20112315322² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 20112315293 and 20112315302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41554129 + ... + 41554612.

Almost surely, 2^20112315322 is an apocalyptic number.

20112315322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20112315322 is a deficient number, since it is larger than the sum of its proper divisors (13048072736).

20112315322 is a wasteful number, since it uses less digits than its factorization.

20112315322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83108765 (or 83108754 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 20112315322 its reverse (22351321102), we get a palindrome (42463636424).

The spelling of 20112315322 in words is "twenty billion, one hundred twelve million, three hundred fifteen thousand, three hundred twenty-two".