30020003 has 4 divisors (see below), whose sum is σ = 32329248. Its totient is φ = 27710760.

The previous prime is 30019963. The next prime is 30020041. The reversal of 30020003 is 30002003.

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 30020003 - 2¹² = 30015907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30020503) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1154603 + ... + 1154628.

It is an arithmetic number, because the mean of its divisors is an integer number (8082312).

Almost surely, 2^30020003 is an apocalyptic number.

30020003 is a deficient number, since it is larger than the sum of its proper divisors (2309245).

30020003 is a wasteful number, since it uses less digits than its factorization.

30020003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2309244.

The product of its (nonzero) digits is 18, while the sum is 8.

The square root of 30020003 is about 5479.0512864911. The cubic root of 30020003 is about 310.7922952208.

Adding to 30020003 its reverse (30002003), we get a palindrome (60022006).

It can be divided in two parts, 3002000 and 3, that added together give a palindrome (3002003).

The spelling of 30020003 in words is "thirty million, twenty thousand, three".