204022525 has 72 divisors (see below), whose sum is σ = 317932776. Its totient is φ = 129024000.

The previous prime is 204022499. The next prime is 204022529. The reversal of 204022525 is 525220402.

It is a happy number.

204022525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 12 ways, for example, as 2893401 + 201129124 = 1701^2 + 14182^2 .

It is not a de Polignac number, because 204022525 - 2¹⁷ = 203891453 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 204022496 and 204022505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204022529) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2019975 + ... + 2020075.

It is an arithmetic number, because the mean of its divisors is an integer number (4415733).

Almost surely, 2^204022525 is an apocalyptic number.

204022525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

204022525 is a deficient number, since it is larger than the sum of its proper divisors (113910251).

204022525 is a wasteful number, since it uses less digits than its factorization.

204022525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239 (or 227 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 204022525 is about 14283.6453680424. The cubic root of 204022525 is about 588.6981974577.

Adding to 204022525 its reverse (525220402), we get a palindrome (729242927).

The spelling of 204022525 in words is "two hundred four million, twenty-two thousand, five hundred twenty-five".