204520254 has 16 divisors (see below), whose sum is σ = 411406992. Its totient is φ = 67779008.

The previous prime is 204520241. The next prime is 204520271. The reversal of 204520254 is 452025402.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97479 + ... + 99554.

It is an arithmetic number, because the mean of its divisors is an integer number (25712937).

Almost surely, 2^204520254 is an apocalyptic number.

204520254 is an abundant number, since it is smaller than the sum of its proper divisors (206886738).

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

204520254 is a wasteful number, since it uses less digits than its factorization.

204520254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197211.

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 204520254 is about 14301.0577930445. The cubic root of 204520254 is about 589.1765338769.

Adding to 204520254 its reverse (452025402), we get a palindrome (656545656).

The spelling of 204520254 in words is "two hundred four million, five hundred twenty thousand, two hundred fifty-four".