20201000203 has 8 divisors (see below), whose sum is σ = 21474749520. Its totient is φ = 18948304800.

The previous prime is 20201000173. The next prime is 20201000213. The reversal of 20201000203 is 30200010202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20201000203 - 2⁹ = 20200999691 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20201000203.

It is not an unprimeable number, because it can be changed into a prime (20201000213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5261500 + ... + 5265337.

It is an arithmetic number, because the mean of its divisors is an integer number (2684343690).

Almost surely, 2^20201000203 is an apocalyptic number.

20201000203 is a deficient number, since it is larger than the sum of its proper divisors (1273749317).

20201000203 is a wasteful number, since it uses less digits than its factorization.

20201000203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10526957.

The product of its (nonzero) digits is 24, while the sum is 10.

Adding to 20201000203 its reverse (30200010202), we get a palindrome (50401010405).

Subtracting 20201000203 from its reverse (30200010202), we obtain a palindrome (9999009999).

The spelling of 20201000203 in words is "twenty billion, two hundred one million, two hundred three", and thus it is an aban number.