20135625225027 has 16 divisors (see below), whose sum is σ = 29064067995648. Its totient is φ = 12326278828320.

The previous prime is 20135625224947. The next prime is 20135625225119. The reversal of 20135625225027 is 72052252653102.

It is a happy number.

It is not a de Polignac number, because 20135625225027 - 2¹⁶ = 20135625159491 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20135625225027.

It is not an unprimeable number, because it can be changed into a prime (20135625235027) 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, 1351558213 + ... + 1351573110.

It is an arithmetic number, because the mean of its divisors is an integer number (1816504249728).

Almost surely, 2^{20135625225027} is an apocalyptic number.

20135625225027 is a deficient number, since it is larger than the sum of its proper divisors (8928442770621).

20135625225027 is a wasteful number, since it uses less digits than its factorization.

20135625225027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2703131530.

The product of its (nonzero) digits is 504000, while the sum is 42.

Adding to 20135625225027 its reverse (72052252653102), we get a palindrome (92187877878129).

The spelling of 20135625225027 in words is "twenty trillion, one hundred thirty-five billion, six hundred twenty-five million, two hundred twenty-five thousand, twenty-seven".