20627028173 has 16 divisors (see below), whose sum is σ = 21079336320. Its totient is φ = 20178432000.

The previous prime is 20627028161. The next prime is 20627028179. The reversal of 20627028173 is 37182072602.

It is a cyclic number.

It is not a de Polignac number, because 20627028173 - 2⁶ = 20627028109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20627028179) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13650488 + ... + 13651998.

It is an arithmetic number, because the mean of its divisors is an integer number (1317458520).

Almost surely, 2^20627028173 is an apocalyptic number.

It is an amenable number.

20627028173 is a deficient number, since it is larger than the sum of its proper divisors (452308147).

20627028173 is a wasteful number, since it uses less digits than its factorization.

20627028173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2548.

The product of its (nonzero) digits is 56448, while the sum is 38.

The spelling of 20627028173 in words is "twenty billion, six hundred twenty-seven million, twenty-eight thousand, one hundred seventy-three".