200454120225 has 72 divisors (see below), whose sum is σ = 382396705600. Its totient is φ = 104019318720.

The previous prime is 200454120193. The next prime is 200454120227. The reversal of 200454120225 is 522021454002.

200454120225 is a `hidden beast` number, since 2 + 0 + 0 + 454 + 1 + 202 + 2 + 5 = 666.

It is not a de Polignac number, because 200454120225 - 2⁵ = 200454120193 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 (200454120227) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 221125 + ... + 670674.

Almost surely, 2^200454120225 is an apocalyptic number.

200454120225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

200454120225 is a deficient number, since it is larger than the sum of its proper divisors (181942585375).

200454120225 is an equidigital number, since it uses as much as digits as its factorization.

200454120225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891861 (or 891844 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

Adding to 200454120225 its reverse (522021454002), we get a palindrome (722475574227).

The spelling of 200454120225 in words is "two hundred billion, four hundred fifty-four million, one hundred twenty thousand, two hundred twenty-five".