204200445 has 16 divisors (see below), whose sum is σ = 328152960. Its totient is φ = 108429504.

The previous prime is 204200393. The next prime is 204200461. The reversal of 204200445 is 544002402.

It is not a de Polignac number, because 204200445 - 2²⁵ = 170646013 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26289 + ... + 33158.

It is an arithmetic number, because the mean of its divisors is an integer number (20509560).

Almost surely, 2^204200445 is an apocalyptic number.

It is an amenable number.

204200445 is a deficient number, since it is larger than the sum of its proper divisors (123952515).

204200445 is a wasteful number, since it uses less digits than its factorization.

204200445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59684.

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 204200445 is about 14289.8721127937. The cubic root of 204200445 is about 588.8692745666.

Adding to 204200445 its reverse (544002402), we get a palindrome (748202847).

The spelling of 204200445 in words is "two hundred four million, two hundred thousand, four hundred forty-five".