20140432504 has 16 divisors (see below), whose sum is σ = 37766826000. Its totient is φ = 10069278912.

The previous prime is 20140432489. The next prime is 20140432531. The reversal of 20140432504 is 40523404102.

It is a happy number.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 21229 + ... + 201820.

It is an arithmetic number, because the mean of its divisors is an integer number (2360426625).

Almost surely, 2^20140432504 is an apocalyptic number.

It is an amenable number.

20140432504 is a deficient number, since it is larger than the sum of its proper divisors (17626393496).

20140432504 is a wasteful number, since it uses less digits than its factorization.

20140432504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234342 (or 234338 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 20140432504 its reverse (40523404102), we get a palindrome (60663836606).

The spelling of 20140432504 in words is "twenty billion, one hundred forty million, four hundred thirty-two thousand, five hundred four".