20043219967 has 2 divisors, whose sum is σ = 20043219968. Its totient is φ = 20043219966.

The previous prime is 20043219941. The next prime is 20043219971. The reversal of 20043219967 is 76991234002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20043219967 - 2⁷ = 20043219839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20043219907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10021609983 + 10021609984.

It is an arithmetic number, because the mean of its divisors is an integer number (10021609984).

Almost surely, 2^20043219967 is an apocalyptic number.

20043219967 is a deficient number, since it is larger than the sum of its proper divisors (1).

20043219967 is an equidigital number, since it uses as much as digits as its factorization.

20043219967 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 43.

The spelling of 20043219967 in words is "twenty billion, forty-three million, two hundred nineteen thousand, nine hundred sixty-seven".