20113224424 has 32 divisors (see below), whose sum is σ = 37868401800. Its totient is φ = 10015073280.

The previous prime is 20113224379. The next prime is 20113224473. The reversal of 20113224424 is 42442231102.

It can be written as a sum of positive squares in 4 ways, for example, as 20102135524 + 11088900 = 141782^2 + 3330^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1972812 + ... + 1982980.

Almost surely, 2^20113224424 is an apocalyptic number.

It is an amenable number.

20113224424 is a deficient number, since it is larger than the sum of its proper divisors (17755177376).

20113224424 is a wasteful number, since it uses less digits than its factorization.

20113224424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11173 (or 11169 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 20113224424 its reverse (42442231102), we get a palindrome (62555455526).

The spelling of 20113224424 in words is "twenty billion, one hundred thirteen million, two hundred twenty-four thousand, four hundred twenty-four".