20443001023000 has 32 divisors (see below), whose sum is σ = 47836622396160. Its totient is φ = 8177200408800.

The previous prime is 20443001022991. The next prime is 20443001023001. The reversal of 20443001023000 is 32010034402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20443001023001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10221499512 + ... + 10221501511.

It is an arithmetic number, because the mean of its divisors is an integer number (1494894449880).

Almost surely, 2^{20443001023000} is an apocalyptic number.

20443001023000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20443001023000 is an abundant number, since it is smaller than the sum of its proper divisors (27393621373160).

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

20443001023000 is a wasteful number, since it uses less digits than its factorization.

20443001023000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20443001044 (or 20443001030 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 20443001023000 its reverse (32010034402), we get a palindrome (20475011057402).

The spelling of 20443001023000 in words is "twenty trillion, four hundred forty-three billion, one million, twenty-three thousand".