204070403 has 4 divisors (see below), whose sum is σ = 204143280. Its totient is φ = 203997528.

The previous prime is 204070369. The next prime is 204070423. The reversal of 204070403 is 304070402.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 204070403 - 2¹⁰ = 204069379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204070423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32063 + ... + 37896.

It is an arithmetic number, because the mean of its divisors is an integer number (51035820).

Almost surely, 2^204070403 is an apocalyptic number.

204070403 is a deficient number, since it is larger than the sum of its proper divisors (72877).

204070403 is an equidigital number, since it uses as much as digits as its factorization.

204070403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72876.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 204070403 is about 14285.3212424502. The cubic root of 204070403 is about 588.7442438241.

Subtracting 204070403 from its reverse (304070402), we obtain a palindrome (99999999).

The spelling of 204070403 in words is "two hundred four million, seventy thousand, four hundred three".