20320312322 has 16 divisors (see below), whose sum is σ = 30943897344. Its totient is φ = 10005996000.

The previous prime is 20320312321. The next prime is 20320312333. The reversal of 20320312322 is 22321302302.

It is a junction number, because it is equal to n+sod(n) for n = 20320312294 and 20320312303.

It is not an unprimeable number, because it can be changed into a prime (20320312321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50822 + ... + 207902.

It is an arithmetic number, because the mean of its divisors is an integer number (1933993584).

Almost surely, 2^20320312322 is an apocalyptic number.

20320312322 is a deficient number, since it is larger than the sum of its proper divisors (10623585022).

20320312322 is a wasteful number, since it uses less digits than its factorization.

20320312322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158065.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 20320312322 its reverse (22321302302), we get a palindrome (42641614624).

The spelling of 20320312322 in words is "twenty billion, three hundred twenty million, three hundred twelve thousand, three hundred twenty-two".