20140432503 has 4 divisors (see below), whose sum is σ = 26853910008. Its totient is φ = 13426955000.

The previous prime is 20140432489. The next prime is 20140432531. The reversal of 20140432503 is 30523404102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20140432503 - 2³³ = 11550497911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20140432553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3356738748 + ... + 3356738753.

It is an arithmetic number, because the mean of its divisors is an integer number (6713477502).

Almost surely, 2^20140432503 is an apocalyptic number.

20140432503 is a deficient number, since it is larger than the sum of its proper divisors (6713477505).

20140432503 is an equidigital number, since it uses as much as digits as its factorization.

20140432503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6713477504.

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 20140432503 its reverse (30523404102), we get a palindrome (50663836605).

The spelling of 20140432503 in words is "twenty billion, one hundred forty million, four hundred thirty-two thousand, five hundred three".