20321030322 has 12 divisors (see below), whose sum is σ = 44028899070. Its totient is φ = 6773676768.

The previous prime is 20321030321. The next prime is 20321030329. The reversal of 20321030322 is 22303012302.

It is a happy number.

20321030322 is a `hidden beast` number, since 20 + 321 + 0 + 3 + 0 + 322 = 666.

It can be written as a sum of positive squares in only one way, i.e., 12130599321 + 8190431001 = 110139^2 + 90501^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1128946129 = 20321030322 / (2 + 0 + 3 + 2 + 1 + 0 + 3 + 0 + 3 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 20321030295 and 20321030304.

It is not an unprimeable number, because it can be changed into a prime (20321030321) 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 5 ways as a sum of consecutive naturals, for example, 564473047 + ... + 564473082.

Almost surely, 2^20321030322 is an apocalyptic number.

20321030322 is an abundant number, since it is smaller than the sum of its proper divisors (23707868748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20321030322 is a wasteful number, since it uses less digits than its factorization.

20321030322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128946137 (or 1128946134 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20321030322 its reverse (22303012302), we get a palindrome (42624042624).

The spelling of 20321030322 in words is "twenty billion, three hundred twenty-one million, thirty thousand, three hundred twenty-two".