20127167740157 has 8 divisors (see below), whose sum is σ = 21275138774400. Its totient is φ = 18988061347584.

The previous prime is 20127167740151. The next prime is 20127167740237. The reversal of 20127167740157 is 75104776172102.

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 20127167740157 - 2³⁸ = 19852289833213 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 (20127167740151) 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, 2216155748 + ... + 2216164829.

It is an arithmetic number, because the mean of its divisors is an integer number (2659392346800).

Almost surely, 2^{20127167740157} is an apocalyptic number.

It is an amenable number.

20127167740157 is a deficient number, since it is larger than the sum of its proper divisors (1147971034243).

20127167740157 is a wasteful number, since it uses less digits than its factorization.

20127167740157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4432320835.

The product of its (nonzero) digits is 1152480, while the sum is 50.

The spelling of 20127167740157 in words is "twenty trillion, one hundred twenty-seven billion, one hundred sixty-seven million, seven hundred forty thousand, one hundred fifty-seven".