20004443443000 has 64 divisors (see below), whose sum is σ = 46970160793920. Its totient is φ = 7974467440000.

The previous prime is 20004443442967. The next prime is 20004443443003. The reversal of 20004443443000 is 34434440002.

It is a self number, because there is not a number n which added to its sum of digits gives 20004443443000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20004443443003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33844276 + ... + 34430275.

It is an arithmetic number, because the mean of its divisors is an integer number (733908762405).

Almost surely, 2^{20004443443000} is an apocalyptic number.

20004443443000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20004443443000 is an abundant number, since it is smaller than the sum of its proper divisors (26965717350920).

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

20004443443000 is a wasteful number, since it uses less digits than its factorization.

20004443443000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68274865 (or 68274851 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 20004443443000 its reverse (34434440002), we get a palindrome (20038877883002).

The spelling of 20004443443000 in words is "twenty trillion, four billion, four hundred forty-three million, four hundred forty-three thousand".