20010103 has 8 divisors (see below), whose sum is σ = 20379600. Its totient is φ = 19643328.

The previous prime is 20010079. The next prime is 20010127. The reversal of 20010103 is 30101002.

It is an interprime number because it is at equal distance from previous prime (20010079) and next prime (20010127).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20010103 - 2¹⁷ = 19879031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20016103) 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 7 ways as a sum of consecutive naturals, for example, 19128 + ... + 20146.

It is an arithmetic number, because the mean of its divisors is an integer number (2547450).

Almost surely, 2^20010103 is an apocalyptic number.

20010103 is a deficient number, since it is larger than the sum of its proper divisors (369497).

20010103 is a wasteful number, since it uses less digits than its factorization.

20010103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1361.

The product of its (nonzero) digits is 6, while the sum is 7.

The square root of 20010103 is about 4473.2653621264. The cubic root of 20010103 is about 271.4874602341.

Adding to 20010103 its reverse (30101002), we get a palindrome (50111105).

The spelling of 20010103 in words is "twenty million, ten thousand, one hundred three".