20147227255133 has 12 divisors (see below), whose sum is σ = 22146388018524. Its totient is φ = 18314760763200.

The previous prime is 20147227255123. The next prime is 20147227255231. The reversal of 20147227255133 is 33155272274102.

It can be written as a sum of positive squares in 2 ways, for example, as 14057377966489 + 6089849288644 = 3749317^2 + 2467762^2 .

It is not a de Polignac number, because 20147227255133 - 2¹⁰ = 20147227254109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20147227255123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1614878 + ... + 6549983.

It is an arithmetic number, because the mean of its divisors is an integer number (1845532334877).

Almost surely, 2^{20147227255133} is an apocalyptic number.

It is an amenable number.

20147227255133 is a deficient number, since it is larger than the sum of its proper divisors (1999160763391).

20147227255133 is a wasteful number, since it uses less digits than its factorization.

20147227255133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8185276 (or 8185265 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 44.

The spelling of 20147227255133 in words is "twenty trillion, one hundred forty-seven billion, two hundred twenty-seven million, two hundred fifty-five thousand, one hundred thirty-three".