205227263205902 has 24 divisors (see below), whose sum is σ = 366834794518080. Its totient is φ = 85809308655840.

The previous prime is 205227263205901. The next prime is 205227263205919. The reversal of 205227263205902 is 209502362722502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205227263205901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25538480702 + ... + 25538488737.

It is an arithmetic number, because the mean of its divisors is an integer number (15284783104920).

Almost surely, 2^{205227263205902} is an apocalyptic number.

205227263205902 is a deficient number, since it is larger than the sum of its proper divisors (161607531312178).

205227263205902 is a wasteful number, since it uses less digits than its factorization.

205227263205902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51076969496 (or 51076969489 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 47.

The spelling of 205227263205902 in words is "two hundred five trillion, two hundred twenty-seven billion, two hundred sixty-three million, two hundred five thousand, nine hundred two".