20126324216624 has 20 divisors (see below), whose sum is σ = 39212600958360. Its totient is φ = 10006943324160.

The previous prime is 20126324216597. The next prime is 20126324216671. The reversal of 20126324216624 is 42661242362102.

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, 3513671057 + ... + 3513676784.

It is an arithmetic number, because the mean of its divisors is an integer number (1960630047918).

Almost surely, 2^{20126324216624} is an apocalyptic number.

It is an amenable number.

20126324216624 is a deficient number, since it is larger than the sum of its proper divisors (19086276741736).

20126324216624 is a wasteful number, since it uses less digits than its factorization.

20126324216624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7027348028 (or 7027348022 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 41.

Adding to 20126324216624 its reverse (42661242362102), we get a palindrome (62787566578726).

The spelling of 20126324216624 in words is "twenty trillion, one hundred twenty-six billion, three hundred twenty-four million, two hundred sixteen thousand, six hundred twenty-four".