20475876224 has 128 divisors (see below), whose sum is σ = 45852998400. Its totient is φ = 9060581376.

The previous prime is 20475876217. The next prime is 20475876229. The reversal of 20475876224 is 42267857402.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20475876229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2400992 + ... + 2409504.

It is an arithmetic number, because the mean of its divisors is an integer number (358226550).

Almost surely, 2^20475876224 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 20475876224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22926499200).

20475876224 is an abundant number, since it is smaller than the sum of its proper divisors (25377122176).

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

20475876224 is a wasteful number, since it uses less digits than its factorization.

20475876224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8612 (or 8600 counting only the distinct ones).

The product of its (nonzero) digits is 1505280, while the sum is 47.

The spelling of 20475876224 in words is "twenty billion, four hundred seventy-five million, eight hundred seventy-six thousand, two hundred twenty-four".