204022025 has 12 divisors (see below), whose sum is σ = 253276572. Its totient is φ = 163031040.

The previous prime is 204022001. The next prime is 204022043. The reversal of 204022025 is 520220402.

It can be written as a sum of positive squares in 6 ways, for example, as 8357881 + 195664144 = 2891^2 + 13988^2 .

It is not a de Polignac number, because 204022025 - 2²² = 199827721 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 204021994 and 204022012.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20249 + ... + 28601.

It is an arithmetic number, because the mean of its divisors is an integer number (21106381).

Almost surely, 2^204022025 is an apocalyptic number.

204022025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

204022025 is a deficient number, since it is larger than the sum of its proper divisors (49254547).

204022025 is an equidigital number, since it uses as much as digits as its factorization.

204022025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9340 (or 9335 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 204022025 is about 14283.6278654969. The cubic root of 204022025 is about 588.6977165479.

Adding to 204022025 its reverse (520220402), we get a palindrome (724242427).

The spelling of 204022025 in words is "two hundred four million, twenty-two thousand, twenty-five".