20343303848 has 64 divisors (see below), whose sum is σ = 45040665600. Its totient is φ = 8429506560.

The previous prime is 20343303847. The next prime is 20343303887. The reversal of 20343303848 is 84830334302.

It is a super-2 number, since 2×20343303848² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20343303847) 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, 2107898 + ... + 2117526.

It is an arithmetic number, because the mean of its divisors is an integer number (703760400).

Almost surely, 2^20343303848 is an apocalyptic number.

20343303848 is a gapful number since it is divisible by the number (28) 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 20343303848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22520332800).

20343303848 is an abundant number, since it is smaller than the sum of its proper divisors (24697361752).

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

20343303848 is a wasteful number, since it uses less digits than its factorization.

20343303848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10890 (or 10886 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 38.

The spelling of 20343303848 in words is "twenty billion, three hundred forty-three million, three hundred three thousand, eight hundred forty-eight".