20704173466 has 8 divisors (see below), whose sum is σ = 31068171540. Its totient is φ = 10348116288.

The previous prime is 20704173461. The next prime is 20704173491. The reversal of 20704173466 is 66437140702.

It can be written as a sum of positive squares in 2 ways, for example, as 18075458025 + 2628715441 = 134445^2 + 51271^2 .

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

It is not an unprimeable number, because it can be changed into a prime (20704173461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1978701 + ... + 1989136.

Almost surely, 2^20704173466 is an apocalyptic number.

20704173466 is a deficient number, since it is larger than the sum of its proper divisors (10363998074).

20704173466 is a wasteful number, since it uses less digits than its factorization.

20704173466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3970448.

The product of its (nonzero) digits is 169344, while the sum is 40.

The spelling of 20704173466 in words is "twenty billion, seven hundred four million, one hundred seventy-three thousand, four hundred sixty-six".