30420015982 has 8 divisors (see below), whose sum is σ = 45635818536. Its totient is φ = 15208076472.

The previous prime is 30420015973. The next prime is 30420015991. The reversal of 30420015982 is 28951002403.

It is an interprime number because it is at equal distance from previous prime (30420015973) and next prime (30420015991).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 945993 + ... + 977620.

It is an arithmetic number, because the mean of its divisors is an integer number (5704477317).

Almost surely, 2^30420015982 is an apocalyptic number.

30420015982 is a deficient number, since it is larger than the sum of its proper divisors (15215802554).

30420015982 is a wasteful number, since it uses less digits than its factorization.

30420015982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1931522.

The product of its (nonzero) digits is 17280, while the sum is 34.

The spelling of 30420015982 in words is "thirty billion, four hundred twenty million, fifteen thousand, nine hundred eighty-two".