20203041222043 has 4 divisors (see below), whose sum is σ = 20206284612640. Its totient is φ = 20199797831448.

The previous prime is 20203041222019. The next prime is 20203041222073. The reversal of 20203041222043 is 34022214030202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20203041222043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20203041221999 and 20203041222017.

It is not an unprimeable number, because it can be changed into a prime (20203041222073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1621685955 + ... + 1621698412.

It is an arithmetic number, because the mean of its divisors is an integer number (5051571153160).

Almost surely, 2^{20203041222043} is an apocalyptic number.

20203041222043 is a deficient number, since it is larger than the sum of its proper divisors (3243390597).

20203041222043 is an equidigital number, since it uses as much as digits as its factorization.

20203041222043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3243390596.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 20203041222043 its reverse (34022214030202), we get a palindrome (54225255252245).

The spelling of 20203041222043 in words is "twenty trillion, two hundred three billion, forty-one million, two hundred twenty-two thousand, forty-three".