20201032303 has 4 divisors (see below), whose sum is σ = 20201829280. Its totient is φ = 20200235328.

The previous prime is 20201032301. The next prime is 20201032331. The reversal of 20201032303 is 30323010202.

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 20201032303 - 2¹ = 20201032301 is a prime.

It is a super-2 number, since 2×20201032303² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20201032301) 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, 359175 + ... + 411592.

It is an arithmetic number, because the mean of its divisors is an integer number (5050457320).

Almost surely, 2^20201032303 is an apocalyptic number.

20201032303 is a deficient number, since it is larger than the sum of its proper divisors (796977).

20201032303 is an equidigital number, since it uses as much as digits as its factorization.

20201032303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796976.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 20201032303 its reverse (30323010202), we get a palindrome (50524042505).

The spelling of 20201032303 in words is "twenty billion, two hundred one million, thirty-two thousand, three hundred three".