20340132330424 has 16 divisors (see below), whose sum is σ = 38137934799720. Its totient is φ = 10170016383840.

The previous prime is 20340132330373. The next prime is 20340132330433. The reversal of 20340132330424 is 42403323104302.

It is a happy number.

It is a super-2 number, since 2×20340132330424² (a number of 27 digits) contains 22 as substring.

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, 4456687 + ... + 7780894.

Almost surely, 2^{20340132330424} is an apocalyptic number.

It is an amenable number.

20340132330424 is a deficient number, since it is larger than the sum of its proper divisors (17797802469296).

20340132330424 is a wasteful number, since it uses less digits than its factorization.

20340132330424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12445350 (or 12445346 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 20340132330424 its reverse (42403323104302), we get a palindrome (62743455434726).

The spelling of 20340132330424 in words is "twenty trillion, three hundred forty billion, one hundred thirty-two million, three hundred thirty thousand, four hundred twenty-four".