20443211133241 has 8 divisors (see below), whose sum is σ = 22065915650240. Its totient is φ = 18827670875472.

The previous prime is 20443211133221. The next prime is 20443211133253. The reversal of 20443211133241 is 14233111234402.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20443211133241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20443211133211) 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, 1791058875 + ... + 1791070288.

It is an arithmetic number, because the mean of its divisors is an integer number (2758239456280).

Almost surely, 2^{20443211133241} is an apocalyptic number.

It is an amenable number.

20443211133241 is a deficient number, since it is larger than the sum of its proper divisors (1622704516999).

20443211133241 is a wasteful number, since it uses less digits than its factorization.

20443211133241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3582129615.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 20443211133241 its reverse (14233111234402), we get a palindrome (34676322367643).

The spelling of 20443211133241 in words is "twenty trillion, four hundred forty-three billion, two hundred eleven million, one hundred thirty-three thousand, two hundred forty-one".