20310442103 has 32 divisors (see below), whose sum is σ = 24645888000. Its totient is φ = 16350012000.

The previous prime is 20310442093. The next prime is 20310442111. The reversal of 20310442103 is 30124401302.

It is not a de Polignac number, because 20310442103 - 2¹² = 20310438007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20310442183) 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 31 ways as a sum of consecutive naturals, for example, 9021728 + ... + 9023978.

It is an arithmetic number, because the mean of its divisors is an integer number (770184000).

Almost surely, 2^20310442103 is an apocalyptic number.

20310442103 is a deficient number, since it is larger than the sum of its proper divisors (4335445897).

20310442103 is a wasteful number, since it uses less digits than its factorization.

20310442103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2835.

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

Adding to 20310442103 its reverse (30124401302), we get a palindrome (50434843405).

The spelling of 20310442103 in words is "twenty billion, three hundred ten million, four hundred forty-two thousand, one hundred three".