20000330131 has 4 divisors (see below), whose sum is σ = 20540879632. Its totient is φ = 19459780632.

The previous prime is 20000330123. The next prime is 20000330143. The reversal of 20000330131 is 13103300002.

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

It is a cyclic number.

It is not a de Polignac number, because 20000330131 - 2³ = 20000330123 is a prime.

It is a super-2 number, since 2×20000330131² (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 (20000330431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270274695 + ... + 270274768.

It is an arithmetic number, because the mean of its divisors is an integer number (5135219908).

Almost surely, 2^20000330131 is an apocalyptic number.

20000330131 is a deficient number, since it is larger than the sum of its proper divisors (540549501).

20000330131 is an equidigital number, since it uses as much as digits as its factorization.

20000330131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540549500.

The product of its (nonzero) digits is 54, while the sum is 13.

Adding to 20000330131 its reverse (13103300002), we get a palindrome (33103630133).

The spelling of 20000330131 in words is "twenty billion, three hundred thirty thousand, one hundred thirty-one".