20334131331 has 8 divisors (see below), whose sum is σ = 27134097744. Its totient is φ = 13545126240.

The previous prime is 20334131309. The next prime is 20334131359. The reversal of 20334131331 is 13313143302.

It is a happy number.

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

It is not a de Polignac number, because 20334131331 - 2¹⁹ = 20333607043 is a prime.

It is a super-2 number, since 2×20334131331² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20334131381) 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 7 ways as a sum of consecutive naturals, for example, 2736000 + ... + 2743421.

It is an arithmetic number, because the mean of its divisors is an integer number (3391762218).

Almost surely, 2^20334131331 is an apocalyptic number.

20334131331 is a deficient number, since it is larger than the sum of its proper divisors (6799966413).

20334131331 is a wasteful number, since it uses less digits than its factorization.

20334131331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5480661.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 20334131331 its reverse (13313143302), we get a palindrome (33647274633).

The spelling of 20334131331 in words is "twenty billion, three hundred thirty-four million, one hundred thirty-one thousand, three hundred thirty-one".