20000103 has 16 divisors (see below), whose sum is σ = 28494720. Its totient is φ = 12440736.

The previous prime is 20000093. The next prime is 20000107. The reversal of 20000103 is 30100002.

It is not a de Polignac number, because 20000103 - 2¹² = 19996007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20000091 and 20000100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1201 + ... + 6437.

It is an arithmetic number, because the mean of its divisors is an integer number (1780920).

Almost surely, 2^20000103 is an apocalyptic number.

20000103 is a deficient number, since it is larger than the sum of its proper divisors (8494617).

20000103 is a wasteful number, since it uses less digits than its factorization.

20000103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5326.

The product of its (nonzero) digits is 6, while the sum is 6.

The square root of 20000103 is about 4472.1474707348. The cubic root of 20000103 is about 271.4422276337.

Adding to 20000103 its reverse (30100002), we get a palindrome (50100105).

The spelling of 20000103 in words is "twenty million, one hundred three", and thus it is an aban number.