20133344879 has 2 divisors, whose sum is σ = 20133344880. Its totient is φ = 20133344878.

The previous prime is 20133344867. The next prime is 20133344887. The reversal of 20133344879 is 97844333102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20133344879 - 2⁴ = 20133344863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20133344479) 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, 10066672439 + 10066672440.

It is an arithmetic number, because the mean of its divisors is an integer number (10066672440).

Almost surely, 2^20133344879 is an apocalyptic number.

20133344879 is a deficient number, since it is larger than the sum of its proper divisors (1).

20133344879 is an equidigital number, since it uses as much as digits as its factorization.

20133344879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 44.

The spelling of 20133344879 in words is "twenty billion, one hundred thirty-three million, three hundred forty-four thousand, eight hundred seventy-nine".