20024240403 has 16 divisors (see below), whose sum is σ = 27035590400. Its totient is φ = 13181936544.

The previous prime is 20024240393. The next prime is 20024240477. The reversal of 20024240403 is 30404242002.

It is not a de Polignac number, because 20024240403 - 2⁸ = 20024240147 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20024240403.

It is not an unprimeable number, because it can be changed into a prime (20024240303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15000 + ... + 200682.

It is an arithmetic number, because the mean of its divisors is an integer number (1689724400).

Almost surely, 2^20024240403 is an apocalyptic number.

20024240403 is a deficient number, since it is larger than the sum of its proper divisors (7011349997).

20024240403 is a wasteful number, since it uses less digits than its factorization.

20024240403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186138.

The product of its (nonzero) digits is 1536, while the sum is 21.

Adding to 20024240403 its reverse (30404242002), we get a palindrome (50428482405).

The spelling of 20024240403 in words is "twenty billion, twenty-four million, two hundred forty thousand, four hundred three".