20124044440000 has 280 divisors, whose sum is σ = 52877541895200. Its totient is φ = 7570219008000.

The previous prime is 20124044439979. The next prime is 20124044440007. The reversal of 20124044440000 is 4444042102.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20124044440007) 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, 929549176 + ... + 929570824.

Almost surely, 2^{20124044440000} is an apocalyptic number.

20124044440000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20124044440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26438770947600).

20124044440000 is an abundant number, since it is smaller than the sum of its proper divisors (32753497455200).

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

20124044440000 is a wasteful number, since it uses less digits than its factorization.

20124044440000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23065 (or 23040 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 25.

Adding to 20124044440000 its reverse (4444042102), we get a palindrome (20128488482102).

The spelling of 20124044440000 in words is "twenty trillion, one hundred twenty-four billion, forty-four million, four hundred forty thousand".