204413055 has 96 divisors (see below), whose sum is σ = 420380928. Its totient is φ = 83865600.

The previous prime is 204413051. The next prime is 204413057. The reversal of 204413055 is 550314402.

It is not a de Polignac number, because 204413055 - 2² = 204413051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204413051) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1059039 + ... + 1059231.

It is an arithmetic number, because the mean of its divisors is an integer number (4378968).

Almost surely, 2^204413055 is an apocalyptic number.

204413055 is an abundant number, since it is smaller than the sum of its proper divisors (215967873).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204413055 is a wasteful number, since it uses less digits than its factorization.

204413055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357 (or 350 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 204413055 is about 14297.3093622541. The cubic root of 204413055 is about 589.0735772061.

Adding to 204413055 its reverse (550314402), we get a palindrome (754727457).

The spelling of 204413055 in words is "two hundred four million, four hundred thirteen thousand, fifty-five".