20321233022 has 4 divisors (see below), whose sum is σ = 30481849536. Its totient is φ = 10160616510.

The previous prime is 20321233021. The next prime is 20321233069. The reversal of 20321233022 is 22033212302.

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 = 20321232985 and 20321233003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20321233021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5080308254 + ... + 5080308257.

It is an arithmetic number, because the mean of its divisors is an integer number (7620462384).

Almost surely, 2^20321233022 is an apocalyptic number.

20321233022 is a deficient number, since it is larger than the sum of its proper divisors (10160616514).

20321233022 is a wasteful number, since it uses less digits than its factorization.

20321233022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10160616513.

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

Adding to 20321233022 its reverse (22033212302), we get a palindrome (42354445324).

The spelling of 20321233022 in words is "twenty billion, three hundred twenty-one million, two hundred thirty-three thousand, twenty-two".