20321313322 has 8 divisors (see below), whose sum is σ = 30783771972. Its totient is φ = 10060056000.

The previous prime is 20321313317. The next prime is 20321313329. The reversal of 20321313322 is 22331312302.

It can be written as a sum of positive squares in 2 ways, for example, as 18509874601 + 1811438721 = 136051^2 + 42561^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 20321313293 and 20321313302.

It is not an unprimeable number, because it can be changed into a prime (20321313329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50300079 + ... + 50300482.

Almost surely, 2^20321313322 is an apocalyptic number.

20321313322 is a deficient number, since it is larger than the sum of its proper divisors (10462458650).

20321313322 is a wasteful number, since it uses less digits than its factorization.

20321313322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100600664.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 20321313322 its reverse (22331312302), we get a palindrome (42652625624).

The spelling of 20321313322 in words is "twenty billion, three hundred twenty-one million, three hundred thirteen thousand, three hundred twenty-two".