20127131653701 has 16 divisors (see below), whose sum is σ = 27373476280320. Its totient is φ = 13150811570160.

The previous prime is 20127131653691. The next prime is 20127131653703. The reversal of 20127131653701 is 10735613172102.

It is not a de Polignac number, because 20127131653701 - 2⁶ = 20127131653637 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20127131653701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20127131653703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171712725 + ... + 171829898.

It is an arithmetic number, because the mean of its divisors is an integer number (1710842267520).

Almost surely, 2^{20127131653701} is an apocalyptic number.

It is an amenable number.

20127131653701 is a deficient number, since it is larger than the sum of its proper divisors (7246344626619).

20127131653701 is a wasteful number, since it uses less digits than its factorization.

20127131653701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343543016.

The product of its (nonzero) digits is 52920, while the sum is 39.

The spelling of 20127131653701 in words is "twenty trillion, one hundred twenty-seven billion, one hundred thirty-one million, six hundred fifty-three thousand, seven hundred one".