204225442125 has 64 divisors (see below), whose sum is σ = 351773210880. Its totient is φ = 105097440000.

The previous prime is 204225442093. The next prime is 204225442133. The reversal of 204225442125 is 521244522402.

It is not a de Polignac number, because 204225442125 - 2⁵ = 204225442093 is a prime.

It is a super-2 number, since 2×204225442125² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20233330 + ... + 20243420.

It is an arithmetic number, because the mean of its divisors is an integer number (5496456420).

Almost surely, 2^204225442125 is an apocalyptic number.

204225442125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

204225442125 is a deficient number, since it is larger than the sum of its proper divisors (147547768755).

204225442125 is a wasteful number, since it uses less digits than its factorization.

204225442125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11999 (or 11989 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 33.

Adding to 204225442125 its reverse (521244522402), we get a palindrome (725469964527).

The spelling of 204225442125 in words is "two hundred four billion, two hundred twenty-five million, four hundred forty-two thousand, one hundred twenty-five".