20413023203 has 2 divisors, whose sum is σ = 20413023204. Its totient is φ = 20413023202.

The previous prime is 20413023157. The next prime is 20413023223. The reversal of 20413023203 is 30232031402.

It is an a-pointer prime, because the next prime (20413023223) can be obtained adding 20413023203 to its sum of digits (20).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20413023203 - 2³² = 16118055907 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (20413023223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10206511601 + 10206511602.

It is an arithmetic number, because the mean of its divisors is an integer number (10206511602).

Almost surely, 2^20413023203 is an apocalyptic number.

20413023203 is a deficient number, since it is larger than the sum of its proper divisors (1).

20413023203 is an equidigital number, since it uses as much as digits as its factorization.

20413023203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 20413023203 its reverse (30232031402), we get a palindrome (50645054605).

The spelling of 20413023203 in words is "twenty billion, four hundred thirteen million, twenty-three thousand, two hundred three".