203200020103 has 4 divisors (see below), whose sum is σ = 215152962480. Its totient is φ = 191247077728.

The previous prime is 203200020061. The next prime is 203200020187. The reversal of 203200020103 is 301020002302.

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 203200020103 - 2⁹ = 203200019591 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 (203200021103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5976471163 + ... + 5976471196.

It is an arithmetic number, because the mean of its divisors is an integer number (53788240620).

Almost surely, 2^203200020103 is an apocalyptic number.

203200020103 is a deficient number, since it is larger than the sum of its proper divisors (11952942377).

203200020103 is a wasteful number, since it uses less digits than its factorization.

203200020103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11952942376.

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

Adding to 203200020103 its reverse (301020002302), we get a palindrome (504220022405).

The spelling of 203200020103 in words is "two hundred three billion, two hundred million, twenty thousand, one hundred three".