204242030 has 32 divisors (see below), whose sum is σ = 375833088. Its totient is φ = 79891200.

The previous prime is 204242023. The next prime is 204242083. The reversal of 204242030 is 30242402.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115634 + ... + 117386.

It is an arithmetic number, because the mean of its divisors is an integer number (11744784).

Almost surely, 2^204242030 is an apocalyptic number.

204242030 is a deficient number, since it is larger than the sum of its proper divisors (171591058).

204242030 is a wasteful number, since it uses less digits than its factorization.

204242030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2012.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 204242030 is about 14291.3270902320. The cubic root of 204242030 is about 588.9092458583.

Adding to 204242030 its reverse (30242402), we get a palindrome (234484432).

The spelling of 204242030 in words is "two hundred four million, two hundred forty-two thousand, thirty".