20001412443 has 8 divisors (see below), whose sum is σ = 27528825856. Its totient is φ = 12904137000.

The previous prime is 20001412411. The next prime is 20001412451. The reversal of 20001412443 is 34421410002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20001412443 - 2⁵ = 20001412411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20001412643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107534383 + ... + 107534568.

It is an arithmetic number, because the mean of its divisors is an integer number (3441103232).

Almost surely, 2^20001412443 is an apocalyptic number.

20001412443 is a deficient number, since it is larger than the sum of its proper divisors (7527413413).

20001412443 is a wasteful number, since it uses less digits than its factorization.

20001412443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215068985.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 20001412443 its reverse (34421410002), we get a palindrome (54422822445).

The spelling of 20001412443 in words is "twenty billion, one million, four hundred twelve thousand, four hundred forty-three".