204115054 has 32 divisors (see below), whose sum is σ = 361228896. Its totient is φ = 85278720.

The previous prime is 204115027. The next prime is 204115057. The reversal of 204115054 is 450511402.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204115057) 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 15 ways as a sum of consecutive naturals, for example, 72114 + ... + 74890.

It is an arithmetic number, because the mean of its divisors is an integer number (11288403).

Almost surely, 2^204115054 is an apocalyptic number.

204115054 is a deficient number, since it is larger than the sum of its proper divisors (157113842).

204115054 is a wasteful number, since it uses less digits than its factorization.

204115054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3060.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 204115054 is about 14286.8839849703. The cubic root of 204115054 is about 588.7871801536.

Adding to 204115054 its reverse (450511402), we get a palindrome (654626456).

The spelling of 204115054 in words is "two hundred four million, one hundred fifteen thousand, fifty-four".