20203035203 has 24 divisors (see below), whose sum is σ = 22745640960. Its totient is φ = 17916893280.

The previous prime is 20203035173. The next prime is 20203035241. The reversal of 20203035203 is 30253030202.

It is not a de Polignac number, because 20203035203 - 2¹⁴ = 20203018819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20203035403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 714350 + ... + 742092.

It is an arithmetic number, because the mean of its divisors is an integer number (947735040).

Almost surely, 2^20203035203 is an apocalyptic number.

20203035203 is a deficient number, since it is larger than the sum of its proper divisors (2542605757).

20203035203 is a wasteful number, since it uses less digits than its factorization.

20203035203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27939 (or 27926 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 20.

Adding to 20203035203 its reverse (30253030202), we get a palindrome (50456065405).

The spelling of 20203035203 in words is "twenty billion, two hundred three million, thirty-five thousand, two hundred three".