20432131003 has 16 divisors (see below), whose sum is σ = 21955893696. Its totient is φ = 18944558080.

The previous prime is 20432131001. The next prime is 20432131033. The reversal of 20432131003 is 30013123402.

It is a cyclic number.

It is not a de Polignac number, because 20432131003 - 2¹ = 20432131001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20432131001) 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 15 ways as a sum of consecutive naturals, for example, 1723725 + ... + 1735537.

It is an arithmetic number, because the mean of its divisors is an integer number (1372243356).

Almost surely, 2^20432131003 is an apocalyptic number.

20432131003 is a deficient number, since it is larger than the sum of its proper divisors (1523762693).

20432131003 is a wasteful number, since it uses less digits than its factorization.

20432131003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13334.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20432131003 its reverse (30013123402), we get a palindrome (50445254405).

The spelling of 20432131003 in words is "twenty billion, four hundred thirty-two million, one hundred thirty-one thousand, three".