30420016018 has 8 divisors (see below), whose sum is σ = 52148598912. Its totient is φ = 13037149716.

The previous prime is 30420016013. The next prime is 30420016021. The reversal of 30420016018 is 81061002403.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 30420015983 and 30420016001.

It is not an unprimeable number, because it can be changed into a prime (30420016013) 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 in 3 ways as a sum of consecutive naturals, for example, 1086429130 + ... + 1086429157.

It is an arithmetic number, because the mean of its divisors is an integer number (6518574864).

Almost surely, 2^30420016018 is an apocalyptic number.

30420016018 is a deficient number, since it is larger than the sum of its proper divisors (21728582894).

30420016018 is a wasteful number, since it uses less digits than its factorization.

30420016018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2172858296.

The product of its (nonzero) digits is 1152, while the sum is 25.

The spelling of 30420016018 in words is "thirty billion, four hundred twenty million, sixteen thousand, eighteen".