10020503203 has 4 divisors (see below), whose sum is σ = 10119716208. Its totient is φ = 9921290200.

The previous prime is 10020503201. The next prime is 10020503231. The reversal of 10020503203 is 30230502001.

10020503203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 10020503203 - 2¹ = 10020503201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10020503201) 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 3 ways as a sum of consecutive naturals, for example, 49606351 + ... + 49606552.

It is an arithmetic number, because the mean of its divisors is an integer number (2529929052).

Almost surely, 2^10020503203 is an apocalyptic number.

10020503203 is a deficient number, since it is larger than the sum of its proper divisors (99213005).

10020503203 is an equidigital number, since it uses as much as digits as its factorization.

10020503203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99213004.

The product of its (nonzero) digits is 180, while the sum is 16.

The spelling of 10020503203 in words is "ten billion, twenty million, five hundred three thousand, two hundred three".