203392882081 has 3 divisors (see below), whose sum is σ = 203393333073. Its totient is φ = 203392431090.

The previous prime is 203392882073. The next prime is 203392882163. The reversal of 203392882081 is 180288293302.

The square root of 203392882081 is 450991.

It is a perfect power (a square), and thus also a powerful number.

203392882081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 203392882081 - 2³ = 203392882073 is a prime.

It is a super-2 number, since 2×203392882081² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203392882031) by changing a digit.

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 2 ways as a sum of consecutive naturals, for example, 225496 + ... + 676486.

It is an arithmetic number, because the mean of its divisors is an integer number (67797777691).

Almost surely, 2^203392882081 is an apocalyptic number.

203392882081 is the 450991-st square number.

203392882081 is the 225496-th centered octagonal number.

It is an amenable number.

203392882081 is a deficient number, since it is larger than the sum of its proper divisors (450992).

203392882081 is an frugal number, since it uses more digits than its factorization.

203392882081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901982 (or 450991 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 46.

The spelling of 203392882081 in words is "two hundred three billion, three hundred ninety-two million, eight hundred eighty-two thousand, eighty-one".