20550167171 has 8 divisors (see below), whose sum is σ = 22083762960. Its totient is φ = 19052656128.

The previous prime is 20550167119. The next prime is 20550167177. The reversal of 20550167171 is 17176105502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20550167171 - 2³⁰ = 19476425347 is a prime.

It is a super-2 number, since 2×20550167171² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20550167177) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9020006 + ... + 9022283.

It is an arithmetic number, because the mean of its divisors is an integer number (2760470370).

Almost surely, 2^20550167171 is an apocalyptic number.

20550167171 is a deficient number, since it is larger than the sum of its proper divisors (1533595789).

20550167171 is a wasteful number, since it uses less digits than its factorization.

20550167171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18042373.

The product of its (nonzero) digits is 14700, while the sum is 35.

The spelling of 20550167171 in words is "twenty billion, five hundred fifty million, one hundred sixty-seven thousand, one hundred seventy-one".