20323321022 has 4 divisors (see below), whose sum is σ = 30484981536. Its totient is φ = 10161660510.

The previous prime is 20323321003. The next prime is 20323321061. The reversal of 20323321022 is 22012332302.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 20323320985 and 20323321003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5080830254 + ... + 5080830257.

It is an arithmetic number, because the mean of its divisors is an integer number (7621245384).

Almost surely, 2^20323321022 is an apocalyptic number.

20323321022 is a deficient number, since it is larger than the sum of its proper divisors (10161660514).

20323321022 is a wasteful number, since it uses less digits than its factorization.

20323321022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10161660513.

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

Adding to 20323321022 its reverse (22012332302), we get a palindrome (42335653324).

The spelling of 20323321022 in words is "twenty billion, three hundred twenty-three million, three hundred twenty-one thousand, twenty-two".