20131140255 has 16 divisors (see below), whose sum is σ = 32817558240. Its totient is φ = 10534030208.

The previous prime is 20131140247. The next prime is 20131140259. The reversal of 20131140255 is 55204113102.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20131140255 - 2³ = 20131140247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20131140259) 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, 12660300 + ... + 12661889.

It is an arithmetic number, because the mean of its divisors is an integer number (2051097390).

Almost surely, 2^20131140255 is an apocalyptic number.

20131140255 is a deficient number, since it is larger than the sum of its proper divisors (12686417985).

20131140255 is a wasteful number, since it uses less digits than its factorization.

20131140255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25322250.

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 20131140255 its reverse (55204113102), we get a palindrome (75335253357).

The spelling of 20131140255 in words is "twenty billion, one hundred thirty-one million, one hundred forty thousand, two hundred fifty-five".