20320320022 has 8 divisors (see below), whose sum is σ = 30484193616. Its totient is φ = 10158922152.

The previous prime is 20320319959. The next prime is 20320320023. The reversal of 20320320022 is 22002302302.

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 = 20320319978 and 20320320005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20320320023) 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, 598273 + ... + 631324.

It is an arithmetic number, because the mean of its divisors is an integer number (3810524202).

Almost surely, 2^20320320022 is an apocalyptic number.

20320320022 is a deficient number, since it is larger than the sum of its proper divisors (10163873594).

20320320022 is a wasteful number, since it uses less digits than its factorization.

20320320022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1237862.

The product of its (nonzero) digits is 288, while the sum is 16.

Adding to 20320320022 its reverse (22002302302), we get a palindrome (42322622324).

The spelling of 20320320022 in words is "twenty billion, three hundred twenty million, three hundred twenty thousand, twenty-two".