20524000544 has 48 divisors (see below), whose sum is σ = 41161478400. Its totient is φ = 10070886144.

The previous prime is 20524000543. The next prime is 20524000591. The reversal of 20524000544 is 44500042502.

It is a super-2 number, since 2×20524000544² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20524000543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1137062 + ... + 1154970.

It is an arithmetic number, because the mean of its divisors is an integer number (857530800).

Almost surely, 2^20524000544 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 20524000544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20580739200).

20524000544 is an abundant number, since it is smaller than the sum of its proper divisors (20637477856).

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

20524000544 is a wasteful number, since it uses less digits than its factorization.

20524000544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18585 (or 18577 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

The spelling of 20524000544 in words is "twenty billion, five hundred twenty-four million, five hundred forty-four", and thus it is an aban number.