20334221131 has 16 divisors (see below), whose sum is σ = 24134063040. Its totient is φ = 16762798080.

The previous prime is 20334221119. The next prime is 20334221183. The reversal of 20334221131 is 13112243302.

It is not a de Polignac number, because 20334221131 - 2¹⁹ = 20333696843 is a prime.

It is a super-2 number, since 2×20334221131² (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 (20334221111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142710 + ... + 247051.

It is an arithmetic number, because the mean of its divisors is an integer number (1508378940).

Almost surely, 2^20334221131 is an apocalyptic number.

20334221131 is a deficient number, since it is larger than the sum of its proper divisors (3799841909).

20334221131 is a wasteful number, since it uses less digits than its factorization.

20334221131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390054.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 20334221131 its reverse (13112243302), we get a palindrome (33446464433).

The spelling of 20334221131 in words is "twenty billion, three hundred thirty-four million, two hundred twenty-one thousand, one hundred thirty-one".