201540226443202 has 16 divisors (see below), whose sum is σ = 302359698812160. Its totient is φ = 100753661448288.

The previous prime is 201540226443167. The next prime is 201540226443209. The reversal of 201540226443202 is 202344622045102.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (201540226443209) 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, 329408758 + ... + 330020014.

It is an arithmetic number, because the mean of its divisors is an integer number (18897481175760).

Almost surely, 2^{201540226443202} is an apocalyptic number.

201540226443202 is a deficient number, since it is larger than the sum of its proper divisors (100819472368958).

201540226443202 is a wasteful number, since it uses less digits than its factorization.

201540226443202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637905.

The product of its (nonzero) digits is 184320, while the sum is 37.

Adding to 201540226443202 its reverse (202344622045102), we get a palindrome (403884848488304).

The spelling of 201540226443202 in words is "two hundred one trillion, five hundred forty billion, two hundred twenty-six million, four hundred forty-three thousand, two hundred two".