20824480084 has 24 divisors (see below), whose sum is σ = 36808725800. Its totient is φ = 10307865600.

The previous prime is 20824480081. The next prime is 20824480093. The reversal of 20824480084 is 48008442802.

It can be written as a sum of positive squares in 4 ways, for example, as 139712400 + 20684767684 = 11820^2 + 143822^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20824480081) 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 7 ways as a sum of consecutive naturals, for example, 503752 + ... + 543520.

Almost surely, 2^20824480084 is an apocalyptic number.

It is an amenable number.

20824480084 is a deficient number, since it is larger than the sum of its proper divisors (15984245716).

20824480084 is a wasteful number, since it uses less digits than its factorization.

20824480084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41083 (or 41081 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 40.

The spelling of 20824480084 in words is "twenty billion, eight hundred twenty-four million, four hundred eighty thousand, eighty-four".