201320201003 has 4 divisors (see below), whose sum is σ = 201327645168. Its totient is φ = 201312756840.

The previous prime is 201320200999. The next prime is 201320201021. The reversal of 201320201003 is 300102023102.

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 201320201003 - 2² = 201320200999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201320204003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3681368 + ... + 3735653.

It is an arithmetic number, because the mean of its divisors is an integer number (50331911292).

Almost surely, 2^201320201003 is an apocalyptic number.

201320201003 is a deficient number, since it is larger than the sum of its proper divisors (7444165).

201320201003 is an equidigital number, since it uses as much as digits as its factorization.

201320201003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7444164.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 201320201003 its reverse (300102023102), we get a palindrome (501422224105).

The spelling of 201320201003 in words is "two hundred one billion, three hundred twenty million, two hundred one thousand, three".