20302131330011 has 4 divisors (see below), whose sum is σ = 20436582531024. Its totient is φ = 20167680129000.

The previous prime is 20302131330007. The next prime is 20302131330017. The reversal of 20302131330011 is 11003313120302.

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 20302131330011 - 2² = 20302131330007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20302131330017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67225600280 + ... + 67225600581.

It is an arithmetic number, because the mean of its divisors is an integer number (5109145632756).

Almost surely, 2^{20302131330011} is an apocalyptic number.

20302131330011 is a deficient number, since it is larger than the sum of its proper divisors (134451201013).

20302131330011 is a wasteful number, since it uses less digits than its factorization.

20302131330011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134451201012.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 20302131330011 its reverse (11003313120302), we get a palindrome (31305444450313).

The spelling of 20302131330011 in words is "twenty trillion, three hundred two billion, one hundred thirty-one million, three hundred thirty thousand, eleven".