20442322324 has 6 divisors (see below), whose sum is σ = 35774064074. Its totient is φ = 10221161160.

The previous prime is 20442322321. The next prime is 20442322391. The reversal of 20442322324 is 42322324402.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 15792446224 + 4649876100 = 125668^2 + 68190^2 .

It is a super-3 number, since 3×20442322324³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20442322292 and 20442322301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20442322321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2555290287 + ... + 2555290294.

Almost surely, 2^20442322324 is an apocalyptic number.

It is an amenable number.

20442322324 is a deficient number, since it is larger than the sum of its proper divisors (15331741750).

20442322324 is a wasteful number, since it uses less digits than its factorization.

20442322324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5110580585 (or 5110580583 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 20442322324 its reverse (42322324402), we get a palindrome (62764646726).

The spelling of 20442322324 in words is "twenty billion, four hundred forty-two million, three hundred twenty-two thousand, three hundred twenty-four".