20002402240043 has 2 divisors, whose sum is σ = 20002402240044. Its totient is φ = 20002402240042.

The previous prime is 20002402240019. The next prime is 20002402240049. The reversal of 20002402240043 is 34004220420002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20002402240043 - 2¹⁶ = 20002402174507 is a prime.

It is not a weakly prime, because it can be changed into another prime (20002402240049) 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, 10001201120021 + 10001201120022.

It is an arithmetic number, because the mean of its divisors is an integer number (10001201120022).

Almost surely, 2^{20002402240043} is an apocalyptic number.

20002402240043 is a deficient number, since it is larger than the sum of its proper divisors (1).

20002402240043 is an equidigital number, since it uses as much as digits as its factorization.

20002402240043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3072, while the sum is 23.

Adding to 20002402240043 its reverse (34004220420002), we get a palindrome (54006622660045).

The spelling of 20002402240043 in words is "twenty trillion, two billion, four hundred two million, two hundred forty thousand, forty-three".