20321011322 has 8 divisors (see below), whose sum is σ = 30482131572. Its totient is φ = 10160300800.

The previous prime is 20321011307. The next prime is 20321011327. The reversal of 20321011322 is 22311012302.

It can be written as a sum of positive squares in 2 ways, for example, as 14920378201 + 5400633121 = 122149^2 + 73489^2 .

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

It is a super-2 number, since 2×20321011322² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20321011322.

It is not an unprimeable number, because it can be changed into a prime (20321011327) 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, 108122 + ... + 228762.

Almost surely, 2^20321011322 is an apocalyptic number.

20321011322 is a deficient number, since it is larger than the sum of its proper divisors (10161120250).

20321011322 is a wasteful number, since it uses less digits than its factorization.

20321011322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204864.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20321011322 its reverse (22311012302), we get a palindrome (42632023624).

The spelling of 20321011322 in words is "twenty billion, three hundred twenty-one million, eleven thousand, three hundred twenty-two".