20343134344 has 96 divisors (see below), whose sum is σ = 41847503040. Its totient is φ = 9266400000.

The previous prime is 20343134233. The next prime is 20343134417. The reversal of 20343134344 is 44343134302.

It is a super-3 number, since 3×20343134344³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51241954 + ... + 51242350.

It is an arithmetic number, because the mean of its divisors is an integer number (435911490).

Almost surely, 2^20343134344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20343134344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20923751520).

20343134344 is an abundant number, since it is smaller than the sum of its proper divisors (21504368696).

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

20343134344 is a wasteful number, since it uses less digits than its factorization.

20343134344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831 (or 814 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 20343134344 its reverse (44343134302), we get a palindrome (64686268646).

The spelling of 20343134344 in words is "twenty billion, three hundred forty-three million, one hundred thirty-four thousand, three hundred forty-four".