20412324203 has 4 divisors (see below), whose sum is σ = 20509065288. Its totient is φ = 20315583120.

The previous prime is 20412324151. The next prime is 20412324241. The reversal of 20412324203 is 30242321402.

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 20412324203 - 2¹⁸ = 20412062059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20412324293) by changing a digit.

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, 48370226 + ... + 48370647.

It is an arithmetic number, because the mean of its divisors is an integer number (5127266322).

Almost surely, 2^20412324203 is an apocalyptic number.

20412324203 is a deficient number, since it is larger than the sum of its proper divisors (96741085).

20412324203 is an equidigital number, since it uses as much as digits as its factorization.

20412324203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96741084.

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

Adding to 20412324203 its reverse (30242321402), we get a palindrome (50654645605).

The spelling of 20412324203 in words is "twenty billion, four hundred twelve million, three hundred twenty-four thousand, two hundred three".