20334132231 has 32 divisors (see below), whose sum is σ = 31669248000. Its totient is φ = 11365025760.

The previous prime is 20334132167. The next prime is 20334132239. The reversal of 20334132231 is 13223143302.

It is not a de Polignac number, because 20334132231 - 2⁶ = 20334132167 is a prime.

It is a super-2 number, since 2×20334132231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20334132239) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 205326 + ... + 287796.

It is an arithmetic number, because the mean of its divisors is an integer number (989664000).

Almost surely, 2^20334132231 is an apocalyptic number.

20334132231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

20334132231 is a deficient number, since it is larger than the sum of its proper divisors (11335115769).

20334132231 is a wasteful number, since it uses less digits than its factorization.

20334132231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82739.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 20334132231 its reverse (13223143302), we get a palindrome (33557275533).

The spelling of 20334132231 in words is "twenty billion, three hundred thirty-four million, one hundred thirty-two thousand, two hundred thirty-one".