2020001103 has 12 divisors (see below), whose sum is σ = 2918228040. Its totient is φ = 1346460336.

The previous prime is 2020001089. The next prime is 2020001117. The reversal of 2020001103 is 3011000202.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2020001089) and next prime (2020001117).

It is not a de Polignac number, because 2020001103 - 2²⁰ = 2018952527 is a prime.

It is a super-2 number, since 2×2020001103² = 8160808912242433218, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020001143) 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 11 ways as a sum of consecutive naturals, for example, 65328 + ... + 91146.

It is an arithmetic number, because the mean of its divisors is an integer number (243185670).

Almost surely, 2^2020001103 is an apocalyptic number.

2020001103 is a deficient number, since it is larger than the sum of its proper divisors (898226937).

2020001103 is a wasteful number, since it uses less digits than its factorization.

2020001103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34518 (or 34515 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 2020001103 is about 44944.4223792007. The cubic root of 2020001103 is about 1264.1070949474.

Adding to 2020001103 its reverse (3011000202), we get a palindrome (5031001305).

Subtracting 2020001103 from its reverse (3011000202), we obtain a palindrome (990999099).

The spelling of 2020001103 in words is "two billion, twenty million, one thousand, one hundred three".