20132020331 has 4 divisors (see below), whose sum is σ = 20200730592. Its totient is φ = 20063310072.

The previous prime is 20132020289. The next prime is 20132020339. The reversal of 20132020331 is 13302023102.

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 20132020331 - 2²² = 20127826027 is a prime.

It is a super-2 number, since 2×20132020331² (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 (20132020339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34354691 + ... + 34355276.

It is an arithmetic number, because the mean of its divisors is an integer number (5050182648).

Almost surely, 2^20132020331 is an apocalyptic number.

20132020331 is a deficient number, since it is larger than the sum of its proper divisors (68710261).

20132020331 is an equidigital number, since it uses as much as digits as its factorization.

20132020331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68710260.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20132020331 its reverse (13302023102), we get a palindrome (33434043433).

The spelling of 20132020331 in words is "twenty billion, one hundred thirty-two million, twenty thousand, three hundred thirty-one".