20027252711051 has 4 divisors (see below), whose sum is σ = 20029923375000. Its totient is φ = 20024582047104.

The previous prime is 20027252711017. The next prime is 20027252711057. The reversal of 20027252711051 is 15011725272002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20027252711051 - 2²² = 20027248516747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20027252711057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1335320726 + ... + 1335335723.

It is an arithmetic number, because the mean of its divisors is an integer number (5007480843750).

Almost surely, 2^{20027252711051} is an apocalyptic number.

20027252711051 is a deficient number, since it is larger than the sum of its proper divisors (2670663949).

20027252711051 is an equidigital number, since it uses as much as digits as its factorization.

20027252711051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2670663948.

The product of its (nonzero) digits is 19600, while the sum is 35.

Adding to 20027252711051 its reverse (15011725272002), we get a palindrome (35038977983053).

The spelling of 20027252711051 in words is "twenty trillion, twenty-seven billion, two hundred fifty-two million, seven hundred eleven thousand, fifty-one".