20020343024 has 80 divisors (see below), whose sum is σ = 44958417120. Its totient is φ = 8548807680.

The previous prime is 20020343017. The next prime is 20020343041. The reversal of 20020343024 is 42034302002.

It is a junction number, because it is equal to n+sod(n) for n = 20020342987 and 20020343005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135842 + ... + 241854.

It is an arithmetic number, because the mean of its divisors is an integer number (561980214).

Almost surely, 2^20020343024 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 20020343024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22479208560).

20020343024 is an abundant number, since it is smaller than the sum of its proper divisors (24938074096).

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

20020343024 is a wasteful number, since it uses less digits than its factorization.

20020343024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106098 (or 106092 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 20020343024 its reverse (42034302002), we get a palindrome (62054645026).

The spelling of 20020343024 in words is "twenty billion, twenty million, three hundred forty-three thousand, twenty-four".