201420340112 has 20 divisors (see below), whose sum is σ = 400799259036. Its totient is φ = 97988273280.

The previous prime is 201420340109. The next prime is 201420340153. The reversal of 201420340112 is 211043024102.

It can be written as a sum of positive squares in 2 ways, for example, as 98774432656 + 102645907456 = 314284^2 + 320384^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170117939 + ... + 170119122.

Almost surely, 2^201420340112 is an apocalyptic number.

It is an amenable number.

201420340112 is a deficient number, since it is larger than the sum of its proper divisors (199378918924).

201420340112 is a wasteful number, since it uses less digits than its factorization.

201420340112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340237106 (or 340237100 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 201420340112 its reverse (211043024102), we get a palindrome (412463364214).

The spelling of 201420340112 in words is "two hundred one billion, four hundred twenty million, three hundred forty thousand, one hundred twelve".