20116424 has 16 divisors (see below), whose sum is σ = 37806720. Its totient is φ = 10034640.

The previous prime is 20116417. The next prime is 20116429. The reversal of 20116424 is 42461102.

It is a junction number, because it is equal to n+sod(n) for n = 20116396 and 20116405.

It is not an unprimeable number, because it can be changed into a prime (20116429) 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 3 ways as a sum of consecutive naturals, for example, 989 + ... + 6419.

It is an arithmetic number, because the mean of its divisors is an integer number (2362920).

Almost surely, 2^20116424 is an apocalyptic number.

It is an amenable number.

20116424 is a deficient number, since it is larger than the sum of its proper divisors (17690296).

20116424 is a wasteful number, since it uses less digits than its factorization.

20116424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5900 (or 5896 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 20116424 is about 4485.1336657897. The cubic root of 20116424 is about 271.9674485267.

Adding to 20116424 its reverse (42461102), we get a palindrome (62577526).

The spelling of 20116424 in words is "twenty million, one hundred sixteen thousand, four hundred twenty-four".