204130030 has 72 divisors (see below), whose sum is σ = 414951768. Its totient is φ = 72229248.

The previous prime is 204130027. The next prime is 204130049. The reversal of 204130030 is 30031402.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3851484 + ... + 3851536.

It is an arithmetic number, because the mean of its divisors is an integer number (5763219).

Almost surely, 2^204130030 is an apocalyptic number.

204130030 is an abundant number, since it is smaller than the sum of its proper divisors (210821738).

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

204130030 is a wasteful number, since it uses less digits than its factorization.

204130030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182 (or 116 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 204130030 is about 14287.4080924428. The cubic root of 204130030 is about 588.8015796487.

Adding to 204130030 its reverse (30031402), we get a palindrome (234161432).

The spelling of 204130030 in words is "two hundred four million, one hundred thirty thousand, thirty".