20273313171066 has 16 divisors (see below), whose sum is σ = 42309523139904. Its totient is φ = 6463954924064.

The previous prime is 20273313171031. The next prime is 20273313171211. The reversal of 20273313171066 is 66017131337202.

It is a happy number.

It is a super-2 number, since 2×20273313171066² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73454033091 + ... + 73454033366.

It is an arithmetic number, because the mean of its divisors is an integer number (2644345196244).

Almost surely, 2^{20273313171066} is an apocalyptic number.

20273313171066 is an abundant number, since it is smaller than the sum of its proper divisors (22036209968838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20273313171066 is a wasteful number, since it uses less digits than its factorization.

20273313171066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146908066485.

The product of its (nonzero) digits is 190512, while the sum is 42.

The spelling of 20273313171066 in words is "twenty trillion, two hundred seventy-three billion, three hundred thirteen million, one hundred seventy-one thousand, sixty-six".