20330441939 has 2 divisors, whose sum is σ = 20330441940. Its totient is φ = 20330441938.

The previous prime is 20330441927. The next prime is 20330441981. The reversal of 20330441939 is 93914403302.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20330441939 - 2²⁰ = 20329393363 is a prime.

It is not a weakly prime, because it can be changed into another prime (20330441239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10165220969 + 10165220970.

It is an arithmetic number, because the mean of its divisors is an integer number (10165220970).

Almost surely, 2^20330441939 is an apocalyptic number.

20330441939 is a deficient number, since it is larger than the sum of its proper divisors (1).

20330441939 is an equidigital number, since it uses as much as digits as its factorization.

20330441939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69984, while the sum is 38.

The spelling of 20330441939 in words is "twenty billion, three hundred thirty million, four hundred forty-one thousand, nine hundred thirty-nine".