204130010122025 has 24 divisors (see below), whose sum is σ = 272595888501720. Its totient is φ = 150740052503040.

The previous prime is 204130010122021. The next prime is 204130010122037. The reversal of 204130010122025 is 520221010031402.

It can be written as a sum of positive squares in 12 ways, for example, as 49424499425536 + 154705510696489 = 7030256^2 + 12438067^2 .

It is not a de Polignac number, because 204130010122025 - 2² = 204130010122021 is a prime.

It is a super-3 number, since 3×204130010122025³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (204130010122021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19066391 + ... + 27781059.

It is an arithmetic number, because the mean of its divisors is an integer number (11358162020905).

Almost surely, 2^{204130010122025} is an apocalyptic number.

204130010122025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

204130010122025 is a deficient number, since it is larger than the sum of its proper divisors (68465878379695).

204130010122025 is a wasteful number, since it uses less digits than its factorization.

204130010122025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8786765 (or 8786760 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 204130010122025 its reverse (520221010031402), we get a palindrome (724351020153427).

The spelling of 204130010122025 in words is "two hundred four trillion, one hundred thirty billion, ten million, one hundred twenty-two thousand, twenty-five".