20441745792 has 320 divisors, whose sum is σ = 67300926000. Its totient is φ = 6118281216.

The previous prime is 20441745787. The next prime is 20441745799. The reversal of 20441745792 is 29754714402.

20441745792 is a `hidden beast` number, since 2 + 0 + 4 + 4 + 1 + 74 + 579 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20441745799) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4984959 + ... + 4989057.

Almost surely, 2^20441745792 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 20441745792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33650463000).

20441745792 is an abundant number, since it is smaller than the sum of its proper divisors (46859180208).

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

20441745792 is a wasteful number, since it uses less digits than its factorization.

20441745792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4175 (or 4154 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The spelling of 20441745792 in words is "twenty billion, four hundred forty-one million, seven hundred forty-five thousand, seven hundred ninety-two".