20013171773466 has 32 divisors (see below), whose sum is σ = 41108689764288. Its totient is φ = 6490671073920.

The previous prime is 20013171773461. The next prime is 20013171773501. The reversal of 20013171773466 is 66437717131002.

It is not an unprimeable number, because it can be changed into a prime (20013171773461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17089126 + ... + 18222638.

It is an arithmetic number, because the mean of its divisors is an integer number (1284646555134).

Almost surely, 2^{20013171773466} is an apocalyptic number.

20013171773466 is an abundant number, since it is smaller than the sum of its proper divisors (21095517990822).

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

20013171773466 is a wasteful number, since it uses less digits than its factorization.

20013171773466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213086.

The product of its (nonzero) digits is 889056, while the sum is 48.

The spelling of 20013171773466 in words is "twenty trillion, thirteen billion, one hundred seventy-one million, seven hundred seventy-three thousand, four hundred sixty-six".