20031524324 has 96 divisors (see below), whose sum is σ = 42791196672. Its totient is φ = 8023680000.

The previous prime is 20031524291. The next prime is 20031524327. The reversal of 20031524324 is 42342513002.

It is a junction number, because it is equal to n+sod(n) for n = 20031524293 and 20031524302.

It is not an unprimeable number, because it can be changed into a prime (20031524327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3591602 + ... + 3597174.

It is an arithmetic number, because the mean of its divisors is an integer number (445741632).

Almost surely, 2^20031524324 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 20031524324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21395598336).

20031524324 is an abundant number, since it is smaller than the sum of its proper divisors (22759672348).

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

20031524324 is a wasteful number, since it uses less digits than its factorization.

20031524324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5757 (or 5755 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The spelling of 20031524324 in words is "twenty billion, thirty-one million, five hundred twenty-four thousand, three hundred twenty-four".