204515552 has 24 divisors (see below), whose sum is σ = 410240376. Its totient is φ = 100327552.

The previous prime is 204515551. The next prime is 204515561. The reversal of 204515552 is 255515402.

It is a super-2 number, since 2×204515552² = 83653222019729408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204515551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58598 + ... + 61989.

It is an arithmetic number, because the mean of its divisors is an integer number (17093349).

Almost surely, 2^204515552 is an apocalyptic number.

It is an amenable number.

204515552 is an abundant number, since it is smaller than the sum of its proper divisors (205724824).

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

204515552 is a wasteful number, since it uses less digits than its factorization.

204515552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120650 (or 120642 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 29.

The square root of 204515552 is about 14300.8933986657. The cubic root of 204515552 is about 589.1720187099.

The spelling of 204515552 in words is "two hundred four million, five hundred fifteen thousand, five hundred fifty-two".