20446005103 has 2 divisors, whose sum is σ = 20446005104. Its totient is φ = 20446005102.

The previous prime is 20446005059. The next prime is 20446005109. The reversal of 20446005103 is 30150064402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20446005103 - 2⁹ = 20446004591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20446005109) 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 as a sum of consecutive naturals, namely, 10223002551 + 10223002552.

It is an arithmetic number, because the mean of its divisors is an integer number (10223002552).

Almost surely, 2^20446005103 is an apocalyptic number.

20446005103 is a deficient number, since it is larger than the sum of its proper divisors (1).

20446005103 is an equidigital number, since it uses as much as digits as its factorization.

20446005103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 20446005103 its reverse (30150064402), we get a palindrome (50596069505).

The spelling of 20446005103 in words is "twenty billion, four hundred forty-six million, five thousand, one hundred three".