20424114424 has 16 divisors (see below), whose sum is σ = 43765959600. Its totient is φ = 8753191872.

The previous prime is 20424114377. The next prime is 20424114437. The reversal of 20424114424 is 42441142402.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 20424114392 and 20424114401.

It is a congruent number.

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, 182358109 + ... + 182358220.

It is an arithmetic number, because the mean of its divisors is an integer number (2735372475).

Almost surely, 2^20424114424 is an apocalyptic number.

It is an amenable number.

20424114424 is an abundant number, since it is smaller than the sum of its proper divisors (23341845176).

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

20424114424 is a wasteful number, since it uses less digits than its factorization.

20424114424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364716342 (or 364716338 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 20424114424 its reverse (42441142402), we get a palindrome (62865256826).

The spelling of 20424114424 in words is "twenty billion, four hundred twenty-four million, one hundred fourteen thousand, four hundred twenty-four".