20000243441000 has 128 divisors (see below), whose sum is σ = 47283254928000. Its totient is φ = 7917730547200.

The previous prime is 20000243440993. The next prime is 20000243441011. The reversal of 20000243441000 is 14434200002.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 112153907 + ... + 112332093.

It is an arithmetic number, because the mean of its divisors is an integer number (369400429125).

Almost surely, 2^{20000243441000} is an apocalyptic number.

20000243441000 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 20000243441000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23641627464000).

20000243441000 is an abundant number, since it is smaller than the sum of its proper divisors (27283011487000).

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

20000243441000 is a wasteful number, since it uses less digits than its factorization.

20000243441000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179364 (or 179350 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 20000243441000 its reverse (14434200002), we get a palindrome (20014677641002).

The spelling of 20000243441000 in words is "twenty trillion, two hundred forty-three million, four hundred forty-one thousand".