205026042 has 16 divisors (see below), whose sum is σ = 441594720. Its totient is φ = 63084912.

The previous prime is 205026013. The next prime is 205026047. The reversal of 205026042 is 240620502.

It is not an unprimeable number, because it can be changed into a prime (205026047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1314192 + ... + 1314347.

It is an arithmetic number, because the mean of its divisors is an integer number (27599670).

Almost surely, 2^205026042 is an apocalyptic number.

205026042 is an abundant number, since it is smaller than the sum of its proper divisors (236568678).

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

205026042 is a wasteful number, since it uses less digits than its factorization.

205026042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2628557.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 205026042 is about 14318.7304604843. The cubic root of 205026042 is about 589.6618209446.

Adding to 205026042 its reverse (240620502), we get a palindrome (445646544).

The spelling of 205026042 in words is "two hundred five million, twenty-six thousand, forty-two".