204660426 has 8 divisors (see below), whose sum is σ = 409320864. Its totient is φ = 68220140.

The previous prime is 204660409. The next prime is 204660473. The reversal of 204660426 is 624066402.

It is a sphenic number, since it is the product of 3 distinct primes.

204660426 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 204660393 and 204660402.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17055030 + ... + 17055041.

It is an arithmetic number, because the mean of its divisors is an integer number (51165108).

Almost surely, 2^204660426 is an apocalyptic number.

204660426 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

204660426 is a wasteful number, since it uses less digits than its factorization.

204660426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34110076.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 204660426 is about 14305.9577099892. The cubic root of 204660426 is about 589.3111044004.

The spelling of 204660426 in words is "two hundred four million, six hundred sixty thousand, four hundred twenty-six".