204520552 has 8 divisors (see below), whose sum is σ = 383476050. Its totient is φ = 102260272.

The previous prime is 204520517. The next prime is 204520559. The reversal of 204520552 is 255025402.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 198979236 + 5541316 = 14106^2 + 2354^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (204520559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12782527 + ... + 12782542.

Almost surely, 2^204520552 is an apocalyptic number.

It is an amenable number.

204520552 is a deficient number, since it is larger than the sum of its proper divisors (178955498).

204520552 is a wasteful number, since it uses less digits than its factorization.

204520552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25565075 (or 25565071 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 204520552 is about 14301.0682118505. The cubic root of 204520552 is about 589.1768200336.

Adding to 204520552 its reverse (255025402), we get a palindrome (459545954).

The spelling of 204520552 in words is "two hundred four million, five hundred twenty thousand, five hundred fifty-two".