201540226443203 has 8 divisors (see below), whose sum is σ = 203408734597488. Its totient is φ = 199673208926464.

The previous prime is 201540226443167. The next prime is 201540226443209. The reversal of 201540226443203 is 302344622045102.

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

It is a cyclic number.

It is not a de Polignac number, because 201540226443203 - 2²² = 201540222248899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201540226443209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 372387725 + ... + 372928542.

It is an arithmetic number, because the mean of its divisors is an integer number (25426091824686).

Almost surely, 2^{201540226443203} is an apocalyptic number.

201540226443203 is a deficient number, since it is larger than the sum of its proper divisors (1868508154285).

201540226443203 is a wasteful number, since it uses less digits than its factorization.

201540226443203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745318773.

The product of its (nonzero) digits is 276480, while the sum is 38.

Adding to 201540226443203 its reverse (302344622045102), we get a palindrome (503884848488305).

The spelling of 201540226443203 in words is "two hundred one trillion, five hundred forty billion, two hundred twenty-six million, four hundred forty-three thousand, two hundred three".