30020038 has 12 divisors (see below), whose sum is σ = 47525940. Its totient is φ = 14219676.

The previous prime is 30019963. The next prime is 30020041. The reversal of 30020038 is 83002003.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20068 + ... + 21511.

It is an arithmetic number, because the mean of its divisors is an integer number (3960495).

Almost surely, 2^30020038 is an apocalyptic number.

30020038 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

30020038 is a deficient number, since it is larger than the sum of its proper divisors (17505902).

30020038 is a wasteful number, since it uses less digits than its factorization.

30020038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41619 (or 41600 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 30020038 is about 5479.0544804738. The cubic root of 30020038 is about 310.7924160039.

The spelling of 30020038 in words is "thirty million, twenty thousand, thirty-eight".