205260404 has 12 divisors (see below), whose sum is σ = 360208800. Its totient is φ = 102343608.

The previous prime is 205260403. The next prime is 205260413. The reversal of 205260404 is 404062502.

It is a self number, because there is not a number n which added to its sum of digits gives 205260404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205260403) 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, 70034 + ... + 72905.

It is an arithmetic number, because the mean of its divisors is an integer number (30017400).

Almost surely, 2^205260404 is an apocalyptic number.

It is an amenable number.

205260404 is a deficient number, since it is larger than the sum of its proper divisors (154948396).

205260404 is a wasteful number, since it uses less digits than its factorization.

205260404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143302 (or 143300 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 205260404 is about 14326.9118793968. The cubic root of 205260404 is about 589.8864130661.

The spelling of 205260404 in words is "two hundred five million, two hundred sixty thousand, four hundred four".