204105125226 has 16 divisors (see below), whose sum is σ = 418166598528. Its totient is φ = 66375650400.

The previous prime is 204105125219. The next prime is 204105125281. The reversal of 204105125226 is 622521501402.

It is a super-2 number, since 2×204105125226² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 204105125193 and 204105125202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 414847570 + ... + 414848061.

It is an arithmetic number, because the mean of its divisors is an integer number (26135412408).

Almost surely, 2^204105125226 is an apocalyptic number.

204105125226 is an abundant number, since it is smaller than the sum of its proper divisors (214061473302).

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

204105125226 is a wasteful number, since it uses less digits than its factorization.

204105125226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829695677.

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 204105125226 its reverse (622521501402), we get a palindrome (826626626628).

The spelling of 204105125226 in words is "two hundred four billion, one hundred five million, one hundred twenty-five thousand, two hundred twenty-six".