20020012043 has 2 divisors, whose sum is σ = 20020012044. Its totient is φ = 20020012042.

The previous prime is 20020012013. The next prime is 20020012063. The reversal of 20020012043 is 34021002002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20020012043 - 2³² = 15725044747 is a prime.

It is not a weakly prime, because it can be changed into another prime (20020012013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10010006021 + 10010006022.

It is an arithmetic number, because the mean of its divisors is an integer number (10010006022).

Almost surely, 2^20020012043 is an apocalyptic number.

20020012043 is a deficient number, since it is larger than the sum of its proper divisors (1).

20020012043 is an equidigital number, since it uses as much as digits as its factorization.

20020012043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 20020012043 its reverse (34021002002), we get a palindrome (54041014045).

The spelling of 20020012043 in words is "twenty billion, twenty million, twelve thousand, forty-three".