20442130103 has 2 divisors, whose sum is σ = 20442130104. Its totient is φ = 20442130102.

The previous prime is 20442130087. The next prime is 20442130123. The reversal of 20442130103 is 30103124402.

It is an a-pointer prime, because the next prime (20442130123) can be obtained adding 20442130103 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20442130103 - 2⁴ = 20442130087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20442130123) 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 as a sum of consecutive naturals, namely, 10221065051 + 10221065052.

It is an arithmetic number, because the mean of its divisors is an integer number (10221065052).

Almost surely, 2^20442130103 is an apocalyptic number.

20442130103 is a deficient number, since it is larger than the sum of its proper divisors (1).

20442130103 is an equidigital number, since it uses as much as digits as its factorization.

20442130103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20442130103 its reverse (30103124402), we get a palindrome (50545254505).

The spelling of 20442130103 in words is "twenty billion, four hundred forty-two million, one hundred thirty thousand, one hundred three".