20412304403 has 8 divisors (see below), whose sum is σ = 21355064640. Its totient is φ = 19490729920.

The previous prime is 20412304397. The next prime is 20412304441. The reversal of 20412304403 is 30440321402.

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

It is a cyclic number.

It is not a de Polignac number, because 20412304403 - 2⁸ = 20412304147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20412304453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5294468 + ... + 5298321.

It is an arithmetic number, because the mean of its divisors is an integer number (2669383080).

Almost surely, 2^20412304403 is an apocalyptic number.

20412304403 is a deficient number, since it is larger than the sum of its proper divisors (942760237).

20412304403 is a wasteful number, since it uses less digits than its factorization.

20412304403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10592877.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 20412304403 its reverse (30440321402), we get a palindrome (50852625805).

The spelling of 20412304403 in words is "twenty billion, four hundred twelve million, three hundred four thousand, four hundred three".