204201560 has 32 divisors (see below), whose sum is σ = 459866160. Its totient is φ = 81607296.

The previous prime is 204201551. The next prime is 204201563. The reversal of 204201560 is 65102402.

It is a happy number.

It is a super-3 number, since 3×204201560³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204201563) 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, 74942 + ... + 77618.

Almost surely, 2^204201560 is an apocalyptic number.

204201560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204201560 is an abundant number, since it is smaller than the sum of its proper divisors (255664600).

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

204201560 is a wasteful number, since it uses less digits than its factorization.

204201560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4595 (or 4591 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 204201560 is about 14289.9111263856. The cubic root of 204201560 is about 588.8703463697.

Adding to 204201560 its reverse (65102402), we get a palindrome (269303962).

The spelling of 204201560 in words is "two hundred four million, two hundred one thousand, five hundred sixty".