20320203322 has 8 divisors (see below), whose sum is σ = 30504712500. Its totient is φ = 10151965824.

The previous prime is 20320203301. The next prime is 20320203359. The reversal of 20320203322 is 22330202302.

It can be written as a sum of positive squares in 2 ways, for example, as 20274627321 + 45576001 = 142389^2 + 6751^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20320203322.

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 3 ways as a sum of consecutive naturals, for example, 4064797 + ... + 4069792.

Almost surely, 2^20320203322 is an apocalyptic number.

20320203322 is a deficient number, since it is larger than the sum of its proper divisors (10184509178).

20320203322 is a wasteful number, since it uses less digits than its factorization.

20320203322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8135840.

The product of its (nonzero) digits is 864, while the sum is 19.

Adding to 20320203322 its reverse (22330202302), we get a palindrome (42650405624).

The spelling of 20320203322 in words is "twenty billion, three hundred twenty million, two hundred three thousand, three hundred twenty-two".