20322443234 has 8 divisors (see below), whose sum is σ = 30496528848. Its totient is φ = 10156933620.

The previous prime is 20322443233. The next prime is 20322443257. The reversal of 20322443234 is 43234422302.

It is a happy number.

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 = 20322443197 and 20322443206.

It is not an unprimeable number, because it can be changed into a prime (20322443233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2138072 + ... + 2147555.

It is an arithmetic number, because the mean of its divisors is an integer number (3812066106).

Almost surely, 2^20322443234 is an apocalyptic number.

20322443234 is a deficient number, since it is larger than the sum of its proper divisors (10174085614).

20322443234 is a wasteful number, since it uses less digits than its factorization.

20322443234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4288000.

The product of its (nonzero) digits is 27648, while the sum is 29.

Adding to 20322443234 its reverse (43234422302), we get a palindrome (63556865536).

The spelling of 20322443234 in words is "twenty billion, three hundred twenty-two million, four hundred forty-three thousand, two hundred thirty-four".