20441213443 has 8 divisors (see below), whose sum is σ = 23362252640. Its totient is φ = 17520390720.

The previous prime is 20441213437. The next prime is 20441213459. The reversal of 20441213443 is 34431214402.

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

It is a de Polignac number, because none of the positive numbers 2^k-20441213443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20441213413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330193 + ... + 387181.

It is an arithmetic number, because the mean of its divisors is an integer number (2920281580).

Almost surely, 2^20441213443 is an apocalyptic number.

20441213443 is a deficient number, since it is larger than the sum of its proper divisors (2921039197).

20441213443 is an equidigital number, since it uses as much as digits as its factorization.

20441213443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108237.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 20441213443 its reverse (34431214402), we get a palindrome (54872427845).

The spelling of 20441213443 in words is "twenty billion, four hundred forty-one million, two hundred thirteen thousand, four hundred forty-three".