201044320203 has 4 divisors (see below), whose sum is σ = 268059093608. Its totient is φ = 134029546800.

The previous prime is 201044320121. The next prime is 201044320231. The reversal of 201044320203 is 302023440102.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 201044320203 - 2¹² = 201044316107 is a prime.

It is a super-2 number, since 2×201044320203² (a number of 23 digits) contains 22 as substring.

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 201044320203.

It is not an unprimeable number, because it can be changed into a prime (201044320003) 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, 33507386698 + ... + 33507386703.

It is an arithmetic number, because the mean of its divisors is an integer number (67014773402).

Almost surely, 2^201044320203 is an apocalyptic number.

201044320203 is a deficient number, since it is larger than the sum of its proper divisors (67014773405).

201044320203 is an equidigital number, since it uses as much as digits as its factorization.

201044320203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67014773404.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 201044320203 its reverse (302023440102), we get a palindrome (503067760305).

The spelling of 201044320203 in words is "two hundred one billion, forty-four million, three hundred twenty thousand, two hundred three".