20044854784 has 120 divisors (see below), whose sum is σ = 42114536640. Its totient is φ = 9524146176.

The previous prime is 20044854757. The next prime is 20044854787. The reversal of 20044854784 is 48745844002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20044854787) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41847057 + ... + 41847535.

It is an arithmetic number, because the mean of its divisors is an integer number (350954472).

Almost surely, 2^20044854784 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 20044854784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21057268320).

20044854784 is an abundant number, since it is smaller than the sum of its proper divisors (22069681856).

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

20044854784 is an frugal number, since it uses more digits than its factorization.

20044854784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628 (or 565 counting only the distinct ones).

The product of its (nonzero) digits is 1146880, while the sum is 46.

The spelling of 20044854784 in words is "twenty billion, forty-four million, eight hundred fifty-four thousand, seven hundred eighty-four".