20432465134 has 8 divisors (see below), whose sum is σ = 30714328008. Its totient is φ = 10194355800.

The previous prime is 20432465117. The next prime is 20432465143. The reversal of 20432465134 is 43156423402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20432465134.

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, 10937217 + ... + 10939084.

It is an arithmetic number, because the mean of its divisors is an integer number (3839291001).

Almost surely, 2^20432465134 is an apocalyptic number.

20432465134 is a deficient number, since it is larger than the sum of its proper divisors (10281862874).

20432465134 is a wasteful number, since it uses less digits than its factorization.

20432465134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21876770.

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

Adding to 20432465134 its reverse (43156423402), we get a palindrome (63588888536).

The spelling of 20432465134 in words is "twenty billion, four hundred thirty-two million, four hundred sixty-five thousand, one hundred thirty-four".