205255254822 has 128 divisors (see below), whose sum is σ = 443454455808. Its totient is φ = 63187555200.

The previous prime is 205255254797. The next prime is 205255254839. The reversal of 205255254822 is 228452552502.

205255254822 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 125384188 + ... + 125385824.

It is an arithmetic number, because the mean of its divisors is an integer number (3464487936).

Almost surely, 2^205255254822 is an apocalyptic number.

205255254822 is an abundant number, since it is smaller than the sum of its proper divisors (238199200986).

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

205255254822 is a wasteful number, since it uses less digits than its factorization.

205255254822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1994.

The product of its (nonzero) digits is 640000, while the sum is 42.

The spelling of 205255254822 in words is "two hundred five billion, two hundred fifty-five million, two hundred fifty-four thousand, eight hundred twenty-two".