20424222032 has 80 divisors (see below), whose sum is σ = 41640668160. Its totient is φ = 9692006400.

The previous prime is 20424222031. The next prime is 20424222053. The reversal of 20424222032 is 23022242402.

It is a super-2 number, since 2×20424222032² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20424221989 and 20424222007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20424222031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13100069 + ... + 13101627.

It is an arithmetic number, because the mean of its divisors is an integer number (520508352).

Almost surely, 2^20424222032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20424222032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20820334080).

20424222032 is an abundant number, since it is smaller than the sum of its proper divisors (21216446128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20424222032 is a wasteful number, since it uses less digits than its factorization.

20424222032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2092 (or 2086 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

Adding to 20424222032 its reverse (23022242402), we get a palindrome (43446464434).

The spelling of 20424222032 in words is "twenty billion, four hundred twenty-four million, two hundred twenty-two thousand, thirty-two".