20167022171873 has 16 divisors (see below), whose sum is σ = 21085263083136. Its totient is φ = 19252257171840.

The previous prime is 20167022171867. The next prime is 20167022171929. The reversal of 20167022171873 is 37817122076102.

It is a cyclic number.

It is not a de Polignac number, because 20167022171873 - 2³² = 20162727204577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20167022171833) 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 15 ways as a sum of consecutive naturals, for example, 35761013 + ... + 36320573.

It is an arithmetic number, because the mean of its divisors is an integer number (1317828942696).

Almost surely, 2^{20167022171873} is an apocalyptic number.

20167022171873 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

20167022171873 is a deficient number, since it is larger than the sum of its proper divisors (918240911263).

20167022171873 is a wasteful number, since it uses less digits than its factorization.

20167022171873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562664.

The product of its (nonzero) digits is 395136, while the sum is 47.

The spelling of 20167022171873 in words is "twenty trillion, one hundred sixty-seven billion, twenty-two million, one hundred seventy-one thousand, eight hundred seventy-three".