20004140131 has 8 divisors (see below), whose sum is σ = 20072480544. Its totient is φ = 19935833280.

The previous prime is 20004140119. The next prime is 20004140179. The reversal of 20004140131 is 13104140002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20004140131 - 2⁷ = 20004140003 is a prime.

It is a super-2 number, since 2×20004140131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20004140531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1919946 + ... + 1930336.

It is an arithmetic number, because the mean of its divisors is an integer number (2509060068).

Almost surely, 2^20004140131 is an apocalyptic number.

20004140131 is a deficient number, since it is larger than the sum of its proper divisors (68340413).

20004140131 is a wasteful number, since it uses less digits than its factorization.

20004140131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16781.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20004140131 its reverse (13104140002), we get a palindrome (33108280133).

The spelling of 20004140131 in words is "twenty billion, four million, one hundred forty thousand, one hundred thirty-one".