20127125507342 has 32 divisors (see below), whose sum is σ = 35694423774720. Its totient is φ = 8328232573920.

The previous prime is 20127125507311. The next prime is 20127125507351. The reversal of 20127125507342 is 24370552172102.

It is a self number, because there is not a number n which added to its sum of digits gives 20127125507342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14220983 + ... + 15572109.

It is an arithmetic number, because the mean of its divisors is an integer number (1115450742960).

Almost surely, 2^{20127125507342} is an apocalyptic number.

20127125507342 is a deficient number, since it is larger than the sum of its proper divisors (15567298267378).

20127125507342 is a wasteful number, since it uses less digits than its factorization.

20127125507342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1387856.

The product of its (nonzero) digits is 235200, while the sum is 41.

Adding to 20127125507342 its reverse (24370552172102), we get a palindrome (44497677679444).

The spelling of 20127125507342 in words is "twenty trillion, one hundred twenty-seven billion, one hundred twenty-five million, five hundred seven thousand, three hundred forty-two".