20432415364 has 9 divisors (see below), whose sum is σ = 35757227191. Its totient is φ = 10216064740.

The previous prime is 20432415349. The next prime is 20432415397. The reversal of 20432415364 is 46351423402.

The square root of 20432415364 is 142942.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 250149 + ... + 321619.

Almost surely, 2^20432415364 is an apocalyptic number.

20432415364 is the 142942-nd square number.

It is an amenable number.

20432415364 is a deficient number, since it is larger than the sum of its proper divisors (15324811827).

20432415364 is an frugal number, since it uses more digits than its factorization.

20432415364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142946 (or 71473 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 20432415364 its reverse (46351423402), we get a palindrome (66783838766).

The spelling of 20432415364 in words is "twenty billion, four hundred thirty-two million, four hundred fifteen thousand, three hundred sixty-four".