20033101889 has 2 divisors, whose sum is σ = 20033101890. Its totient is φ = 20033101888.

The previous prime is 20033101819. The next prime is 20033101967. The reversal of 20033101889 is 98810133002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19398918400 + 634183489 = 139280^2 + 25183^2 .

It is a cyclic number.

It is not a de Polignac number, because 20033101889 - 2⁸ = 20033101633 is a prime.

It is not a weakly prime, because it can be changed into another prime (20033101819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10016550944 + 10016550945.

It is an arithmetic number, because the mean of its divisors is an integer number (10016550945).

Almost surely, 2^20033101889 is an apocalyptic number.

It is an amenable number.

20033101889 is a deficient number, since it is larger than the sum of its proper divisors (1).

20033101889 is an equidigital number, since it uses as much as digits as its factorization.

20033101889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 35.

The spelling of 20033101889 in words is "twenty billion, thirty-three million, one hundred one thousand, eight hundred eighty-nine".