30020110029989 has 2 divisors, whose sum is σ = 30020110029990. Its totient is φ = 30020110029988.

The previous prime is 30020110029869. The next prime is 30020110030013. The reversal of 30020110029989 is 98992001102003.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29561567073025 + 458542956964 = 5437055^2 + 677158^2 .

It is a cyclic number.

It is not a de Polignac number, because 30020110029989 - 2²⁰ = 30020108981413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30020110023989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15010055014994 + 15010055014995.

It is an arithmetic number, because the mean of its divisors is an integer number (15010055014995).

Almost surely, 2^{30020110029989} is an apocalyptic number.

It is an amenable number.

30020110029989 is a deficient number, since it is larger than the sum of its proper divisors (1).

30020110029989 is an equidigital number, since it uses as much as digits as its factorization.

30020110029989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 44.

The spelling of 30020110029989 in words is "thirty trillion, twenty billion, one hundred ten million, twenty-nine thousand, nine hundred eighty-nine".