20873376166833 has 8 divisors (see below), whose sum is σ = 30923520247200. Its totient is φ = 13915584111204.

The previous prime is 20873376166823. The next prime is 20873376166847. The reversal of 20873376166833 is 33866167337802.

20873376166833 is a `hidden beast` number, since 2 + 0 + 8 + 7 + 3 + 3 + 7 + 616 + 6 + 8 + 3 + 3 = 666.

It is not a de Polignac number, because 20873376166833 - 2⁴ = 20873376166817 is a prime.

It is a super-2 number, since 2×20873376166833² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20873376166823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 386544003063 + ... + 386544003116.

It is an arithmetic number, because the mean of its divisors is an integer number (3865440030900).

Almost surely, 2^{20873376166833} is an apocalyptic number.

It is an amenable number.

20873376166833 is a deficient number, since it is larger than the sum of its proper divisors (10050144080367).

20873376166833 is an equidigital number, since it uses as much as digits as its factorization.

20873376166833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773088006188 (or 773088006182 counting only the distinct ones).

The product of its (nonzero) digits is 109734912, while the sum is 63.

The spelling of 20873376166833 in words is "twenty trillion, eight hundred seventy-three billion, three hundred seventy-six million, one hundred sixty-six thousand, eight hundred thirty-three".