20443214424 has 16 divisors (see below), whose sum is σ = 51108036120. Its totient is φ = 6814404800.

The previous prime is 20443214419. The next prime is 20443214447. The reversal of 20443214424 is 42441234402.

It is a junction number, because it is equal to n+sod(n) for n = 20443214391 and 20443214400.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 425900277 + ... + 425900324.

Almost surely, 2^20443214424 is an apocalyptic number.

20443214424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20443214424 is an abundant number, since it is smaller than the sum of its proper divisors (30664821696).

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

20443214424 is a wasteful number, since it uses less digits than its factorization.

20443214424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851800610 (or 851800606 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 20443214424 its reverse (42441234402), we get a palindrome (62884448826).

The spelling of 20443214424 in words is "twenty billion, four hundred forty-three million, two hundred fourteen thousand, four hundred twenty-four".