201420043443 has 10 divisors (see below), whose sum is σ = 300886731684. Its totient is φ = 134280028908.

The previous prime is 201420043403. The next prime is 201420043457. The reversal of 201420043443 is 344340024102.

It is a happy number.

201420043443 is a `hidden beast` number, since 2 + 0 + 14 + 200 + 4 + 3 + 443 = 666.

It is not a de Polignac number, because 201420043443 - 2⁶ = 201420043379 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (201420043403) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1243333521 + ... + 1243333682.

Almost surely, 2^201420043443 is an apocalyptic number.

201420043443 is a deficient number, since it is larger than the sum of its proper divisors (99466688241).

201420043443 is an equidigital number, since it uses as much as digits as its factorization.

201420043443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2486667215 (or 2486667206 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 201420043443 its reverse (344340024102), we get a palindrome (545760067545).

The spelling of 201420043443 in words is "two hundred one billion, four hundred twenty million, forty-three thousand, four hundred forty-three".