20001130131 has 4 divisors (see below), whose sum is σ = 26668173512. Its totient is φ = 13334086752.

The previous prime is 20001130129. The next prime is 20001130133. The reversal of 20001130131 is 13103110002.

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

It is an interprime number because it is at equal distance from previous prime (20001130129) and next prime (20001130133).

It is not a de Polignac number, because 20001130131 - 2¹ = 20001130129 is a prime.

It is a super-2 number, since 2×20001130131² (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 (20001130133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3333521686 + ... + 3333521691.

It is an arithmetic number, because the mean of its divisors is an integer number (6667043378).

Almost surely, 2^20001130131 is an apocalyptic number.

20001130131 is a deficient number, since it is larger than the sum of its proper divisors (6667043381).

20001130131 is an equidigital number, since it uses as much as digits as its factorization.

20001130131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6667043380.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 20001130131 its reverse (13103110002), we get a palindrome (33104240133).

The spelling of 20001130131 in words is "twenty billion, one million, one hundred thirty thousand, one hundred thirty-one".