205435026 has 48 divisors (see below), whose sum is σ = 466936704. Its totient is φ = 65200032.

The previous prime is 205435001. The next prime is 205435099. The reversal of 205435026 is 620534502.

205435026 is a `hidden beast` number, since 205 + 435 + 0 + 26 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28021 + ... + 34583.

It is an arithmetic number, because the mean of its divisors is an integer number (9727848).

Almost surely, 2^205435026 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 205435026, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233468352).

205435026 is an abundant number, since it is smaller than the sum of its proper divisors (261501678).

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

205435026 is a wasteful number, since it uses less digits than its factorization.

205435026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6655 (or 6652 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 205435026 is about 14333.0047791801. The cubic root of 205435026 is about 590.0536444568.

Adding to 205435026 its reverse (620534502), we get a palindrome (825969528).

The spelling of 205435026 in words is "two hundred five million, four hundred thirty-five thousand, twenty-six".