20006160257177 has 8 divisors (see below), whose sum is σ = 20219702644680. Its totient is φ = 19793163317760.

The previous prime is 20006160257173. The next prime is 20006160257227. The reversal of 20006160257177 is 77175206160002.

It can be written as a sum of positive squares in 4 ways, for example, as 1731595441801 + 18274564815376 = 1315901^2 + 4274876^2 .

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 20006160257177 - 2² = 20006160257173 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20006160257173) 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, 136288274 + ... + 136434987.

It is an arithmetic number, because the mean of its divisors is an integer number (2527462830585).

Almost surely, 2^{20006160257177} is an apocalyptic number.

It is an amenable number.

20006160257177 is a deficient number, since it is larger than the sum of its proper divisors (213542387503).

20006160257177 is a wasteful number, since it uses less digits than its factorization.

20006160257177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272724043.

The product of its (nonzero) digits is 246960, while the sum is 44.

The spelling of 20006160257177 in words is "twenty trillion, six billion, one hundred sixty million, two hundred fifty-seven thousand, one hundred seventy-seven".