205042772094 has 16 divisors (see below), whose sum is σ = 416206224768. Its totient is φ = 67327477272.

The previous prime is 205042772087. The next prime is 205042772107. The reversal of 205042772094 is 490277240502.

205042772094 is digitally balanced in base 7, 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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255027922 + ... + 255028725.

It is an arithmetic number, because the mean of its divisors is an integer number (26012889048).

Almost surely, 2^205042772094 is an apocalyptic number.

205042772094 is an abundant number, since it is smaller than the sum of its proper divisors (211163452674).

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

205042772094 is a wasteful number, since it uses less digits than its factorization.

205042772094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510056719.

The product of its (nonzero) digits is 282240, while the sum is 42.

The spelling of 205042772094 in words is "two hundred five billion, forty-two million, seven hundred seventy-two thousand, ninety-four".