202103200003 has 4 divisors (see below), whose sum is σ = 202439478808. Its totient is φ = 201766921200.

The previous prime is 202103199997. The next prime is 202103200037. The reversal of 202103200003 is 300002301202.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 202103200003 - 2¹⁷ = 202103068931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202103200303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168138501 + ... + 168139702.

It is an arithmetic number, because the mean of its divisors is an integer number (50609869702).

Almost surely, 2^202103200003 is an apocalyptic number.

202103200003 is a deficient number, since it is larger than the sum of its proper divisors (336278805).

202103200003 is an equidigital number, since it uses as much as digits as its factorization.

202103200003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336278804.

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 202103200003 its reverse (300002301202), we get a palindrome (502105501205).

The spelling of 202103200003 in words is "two hundred two billion, one hundred three million, two hundred thousand, three".