204530124 has 24 divisors (see below), whose sum is σ = 477469440. Its totient is φ = 68143504.

The previous prime is 204530119. The next prime is 204530129. The reversal of 204530124 is 421035402.

It is an interprime number because it is at equal distance from previous prime (204530119) and next prime (204530129).

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 204530124.

It is not an unprimeable number, because it can be changed into a prime (204530129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42337 + ... + 46919.

It is an arithmetic number, because the mean of its divisors is an integer number (19894560).

Almost surely, 2^204530124 is an apocalyptic number.

It is an amenable number.

204530124 is an abundant number, since it is smaller than the sum of its proper divisors (272939316).

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

204530124 is a wasteful number, since it uses less digits than its factorization.

204530124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8309 (or 8307 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 204530124 is about 14301.4028682504. The cubic root of 204530124 is about 589.1860114694.

Adding to 204530124 its reverse (421035402), we get a palindrome (625565526).

The spelling of 204530124 in words is "two hundred four million, five hundred thirty thousand, one hundred twenty-four".