20020103103 has 128 divisors (see below), whose sum is σ = 38296903680. Its totient is φ = 8957329920.

The previous prime is 20020103101. The next prime is 20020103113. The reversal of 20020103103 is 30130102002.

It is a happy number.

It is not a de Polignac number, because 20020103103 - 2¹ = 20020103101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020103101) 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 in 127 ways as a sum of consecutive naturals, for example, 3820201 + ... + 3825437.

It is an arithmetic number, because the mean of its divisors is an integer number (299194560).

Almost surely, 2^20020103103 is an apocalyptic number.

20020103103 is a deficient number, since it is larger than the sum of its proper divisors (18276800577).

20020103103 is a wasteful number, since it uses less digits than its factorization.

20020103103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5357.

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 20020103103 its reverse (30130102002), we get a palindrome (50150205105).

The spelling of 20020103103 in words is "twenty billion, twenty million, one hundred three thousand, one hundred three".