20000220120043 has 2 divisors, whose sum is σ = 20000220120044. Its totient is φ = 20000220120042.

The previous prime is 20000220119993. The next prime is 20000220120119. The reversal of 20000220120043 is 34002102200002.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20000220120043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20000220119999 and 20000220120026.

It is not a weakly prime, because it can be changed into another prime (20000220120743) 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 as a sum of consecutive naturals, namely, 10000110060021 + 10000110060022.

It is an arithmetic number, because the mean of its divisors is an integer number (10000110060022).

Almost surely, 2^{20000220120043} is an apocalyptic number.

20000220120043 is a deficient number, since it is larger than the sum of its proper divisors (1).

20000220120043 is an equidigital number, since it uses as much as digits as its factorization.

20000220120043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 20000220120043 its reverse (34002102200002), we get a palindrome (54002322320045).

The spelling of 20000220120043 in words is "twenty trillion, two hundred twenty million, one hundred twenty thousand, forty-three".