204011442 has 12 divisors (see below), whose sum is σ = 442024830. Its totient is φ = 68003808.

The previous prime is 204011413. The next prime is 204011447. The reversal of 204011442 is 244110402.

It can be written as a sum of positive squares in only one way, i.e., 175271121 + 28740321 = 13239^2 + 5361^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 11333969 = 204011442 / (2 + 0 + 4 + 0 + 1 + 1 + 4 + 4 + 2).

It is not an unprimeable number, because it can be changed into a prime (204011447) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5666967 + ... + 5667002.

Almost surely, 2^204011442 is an apocalyptic number.

204011442 is an abundant number, since it is smaller than the sum of its proper divisors (238013388).

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

204011442 is a wasteful number, since it uses less digits than its factorization.

204011442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11333977 (or 11333974 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 204011442 is about 14283.2574015874. The cubic root of 204011442 is about 588.6875374252.

Adding to 204011442 its reverse (244110402), we get a palindrome (448121844).

The spelling of 204011442 in words is "two hundred four million, eleven thousand, four hundred forty-two".