20334231320 has 64 divisors (see below), whose sum is σ = 49359633120. Its totient is φ = 7494580224.

The previous prime is 20334231289. The next prime is 20334231331. The reversal of 20334231320 is 2313243302.

It is a congruent number.

It is an unprimeable number.

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, 258032 + ... + 327488.

Almost surely, 2^20334231320 is an apocalyptic number.

20334231320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20334231320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24679816560).

20334231320 is an abundant number, since it is smaller than the sum of its proper divisors (29025401800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20334231320 is a wasteful number, since it uses less digits than its factorization.

20334231320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70044 (or 70040 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 20334231320 its reverse (2313243302), we get a palindrome (22647474622).

The spelling of 20334231320 in words is "twenty billion, three hundred thirty-four million, two hundred thirty-one thousand, three hundred twenty".