30020110023989 has 2 divisors, whose sum is σ = 30020110023990. Its totient is φ = 30020110023988.

The previous prime is 30020110023971. The next prime is 30020110023991. The reversal of 30020110023989 is 98932001102003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24401456087089 + 5618653936900 = 4939783^2 + 2370370^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30020110023989 is a prime.

It is a Sophie Germain prime.

Together with 30020110023991, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30020110023289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15010055011994 + 15010055011995.

It is an arithmetic number, because the mean of its divisors is an integer number (15010055011995).

Almost surely, 2^{30020110023989} is an apocalyptic number.

It is an amenable number.

30020110023989 is a deficient number, since it is larger than the sum of its proper divisors (1).

30020110023989 is an equidigital number, since it uses as much as digits as its factorization.

30020110023989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 38.

The spelling of 30020110023989 in words is "thirty trillion, twenty billion, one hundred ten million, twenty-three thousand, nine hundred eighty-nine".