20839228924224 has 168 divisors, whose sum is σ = 59497941244672. Its totient is φ = 6430055639040.

The previous prime is 20839228924097. The next prime is 20839228924253. The reversal of 20839228924224 is 42242982293802.

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 23 ways as a sum of consecutive naturals, for example, 160669 + ... + 6457884.

Almost surely, 2^{20839228924224} is an apocalyptic number.

20839228924224 is a gapful number since it is divisible by the number (24) 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 20839228924224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29748970622336).

20839228924224 is an abundant number, since it is smaller than the sum of its proper divisors (38658712320448).

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

20839228924224 is a wasteful number, since it uses less digits than its factorization.

20839228924224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6618645 (or 6618612 counting only the distinct ones).

The product of its (nonzero) digits is 15925248, while the sum is 57.

The spelling of 20839228924224 in words is "twenty trillion, eight hundred thirty-nine billion, two hundred twenty-eight million, nine hundred twenty-four thousand, two hundred twenty-four".