20271150005 has 16 divisors (see below), whose sum is σ = 24677654400. Its totient is φ = 15982249920.

The previous prime is 20271149971. The next prime is 20271150007. The reversal of 20271150005 is 50005117202.

It is a happy number.

It is not a de Polignac number, because 20271150005 - 2⁸ = 20271149749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20271150007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1033631 + ... + 1053059.

It is an arithmetic number, because the mean of its divisors is an integer number (1542353400).

Almost surely, 2^20271150005 is an apocalyptic number.

It is an amenable number.

20271150005 is a deficient number, since it is larger than the sum of its proper divisors (4406504395).

20271150005 is a wasteful number, since it uses less digits than its factorization.

20271150005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22444.

The product of its (nonzero) digits is 700, while the sum is 23.

Adding to 20271150005 its reverse (50005117202), we get a palindrome (70276267207).

The spelling of 20271150005 in words is "twenty billion, two hundred seventy-one million, one hundred fifty thousand, five".