20424433124 has 12 divisors (see below), whose sum is σ = 35748421548. Its totient is φ = 10210598400.

The previous prime is 20424433109. The next prime is 20424433163. The reversal of 20424433124 is 42133442402.

It can be written as a sum of positive squares in 2 ways, for example, as 7103118400 + 13321314724 = 84280^2 + 115418^2 .

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, 375917 + ... + 426804.

It is an arithmetic number, because the mean of its divisors is an integer number (2979035129).

Almost surely, 2^20424433124 is an apocalyptic number.

It is an amenable number.

20424433124 is a deficient number, since it is larger than the sum of its proper divisors (15323988424).

20424433124 is a wasteful number, since it uses less digits than its factorization.

20424433124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809086 (or 809084 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 20424433124 its reverse (42133442402), we get a palindrome (62557875526).

The spelling of 20424433124 in words is "twenty billion, four hundred twenty-four million, four hundred thirty-three thousand, one hundred twenty-four".