30020099999 has 4 divisors (see below), whose sum is σ = 30329585664. Its totient is φ = 29710614336.

The previous prime is 30020099983. The next prime is 30020100017. The reversal of 30020099999 is 99999002003.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30020099999 - 2⁴ = 30020099983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30020099899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154742687 + ... + 154742880.

It is an arithmetic number, because the mean of its divisors is an integer number (7582396416).

Almost surely, 2^30020099999 is an apocalyptic number.

30020099999 is a deficient number, since it is larger than the sum of its proper divisors (309485665).

30020099999 is an equidigital number, since it uses as much as digits as its factorization.

30020099999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309485664.

The product of its (nonzero) digits is 354294, while the sum is 50.

The spelling of 30020099999 in words is "thirty billion, twenty million, ninety-nine thousand, nine hundred ninety-nine".