20204019967 has 2 divisors, whose sum is σ = 20204019968. Its totient is φ = 20204019966.

The previous prime is 20204019961. The next prime is 20204020013. The reversal of 20204019967 is 76991040202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20204019967 - 2³ = 20204019959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20204019961) 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, 10102009983 + 10102009984.

It is an arithmetic number, because the mean of its divisors is an integer number (10102009984).

Almost surely, 2^20204019967 is an apocalyptic number.

20204019967 is a deficient number, since it is larger than the sum of its proper divisors (1).

20204019967 is an equidigital number, since it uses as much as digits as its factorization.

20204019967 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 40.

The spelling of 20204019967 in words is "twenty billion, two hundred four million, nineteen thousand, nine hundred sixty-seven".