204142424 has 16 divisors (see below), whose sum is σ = 384358920. Its totient is φ = 101646720.

The previous prime is 204142423. The next prime is 204142427. The reversal of 204142424 is 424241402.

It is a self number, because there is not a number n which added to its sum of digits gives 204142424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204142423) 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, 51014 + ... + 54869.

Almost surely, 2^204142424 is an apocalyptic number.

It is an amenable number.

204142424 is a deficient number, since it is larger than the sum of its proper divisors (180216496).

204142424 is a wasteful number, since it uses less digits than its factorization.

204142424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106130 (or 106126 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 204142424 is about 14287.8418244324. The cubic root of 204142424 is about 588.8134960059.

Adding to 204142424 its reverse (424241402), we get a palindrome (628383826).

The spelling of 204142424 in words is "two hundred four million, one hundred forty-two thousand, four hundred twenty-four".