20321244422 has 8 divisors (see below), whose sum is σ = 30527161176. Its totient is φ = 10145524032.

The previous prime is 20321244409. The next prime is 20321244431. The reversal of 20321244422 is 22444212302.

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

It is a super-2 number, since 2×20321244422² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20321244391 and 20321244400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7547408 + ... + 7550099.

It is an arithmetic number, because the mean of its divisors is an integer number (3815895147).

Almost surely, 2^20321244422 is an apocalyptic number.

20321244422 is a deficient number, since it is larger than the sum of its proper divisors (10205916754).

20321244422 is a wasteful number, since it uses less digits than its factorization.

20321244422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15098182.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 20321244422 its reverse (22444212302), we get a palindrome (42765456724).

The spelling of 20321244422 in words is "twenty billion, three hundred twenty-one million, two hundred forty-four thousand, four hundred twenty-two".