201004456 has 16 divisors (see below), whose sum is σ = 377968500. Its totient is φ = 100212864.

The previous prime is 201004421. The next prime is 201004457. The reversal of 201004456 is 654400102.

It can be written as a sum of positive squares in 2 ways, for example, as 160427556 + 40576900 = 12666^2 + 6370^2 .

It is not an unprimeable number, because it can be changed into a prime (201004457) 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, 33205 + ... + 38788.

Almost surely, 2^201004456 is an apocalyptic number.

It is an amenable number.

201004456 is a deficient number, since it is larger than the sum of its proper divisors (176964044).

201004456 is a wasteful number, since it uses less digits than its factorization.

201004456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72348 (or 72344 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 201004456 is about 14177.6040288901. The cubic root of 201004456 is about 585.7809289570.

Adding to 201004456 its reverse (654400102), we get a palindrome (855404558).

The spelling of 201004456 in words is "two hundred one million, four thousand, four hundred fifty-six".