200203448681 has 2 divisors, whose sum is σ = 200203448682. Its totient is φ = 200203448680.

The previous prime is 200203448659. The next prime is 200203448737. The reversal of 200203448681 is 186844302002.

200203448681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 196426240000 + 3777208681 = 443200^2 + 61459^2 .

It is a cyclic number.

It is not a de Polignac number, because 200203448681 - 2²² = 200199254377 is a prime.

It is a super-2 number, since 2×200203448681² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (200203448981) 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 as a sum of consecutive naturals, namely, 100101724340 + 100101724341.

It is an arithmetic number, because the mean of its divisors is an integer number (100101724341).

Almost surely, 2^200203448681 is an apocalyptic number.

It is an amenable number.

200203448681 is a deficient number, since it is larger than the sum of its proper divisors (1).

200203448681 is an equidigital number, since it uses as much as digits as its factorization.

200203448681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 73728, while the sum is 38.

The spelling of 200203448681 in words is "two hundred billion, two hundred three million, four hundred forty-eight thousand, six hundred eighty-one".