30021002 has 16 divisors (see below), whose sum is σ = 50054112. Its totient is φ = 13387920.

The previous prime is 30020999. The next prime is 30021011. The reversal of 30021002 is 20012003.

It is a super-2 number, since 2×30021002² = 1802521122168008, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 11708 + ... + 14039.

It is an arithmetic number, because the mean of its divisors is an integer number (3128382).

Almost surely, 2^30021002 is an apocalyptic number.

30021002 is a deficient number, since it is larger than the sum of its proper divisors (20033110).

30021002 is a wasteful number, since it uses less digits than its factorization.

30021002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25813.

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 30021002 is about 5479.1424511505. The cubic root of 30021002 is about 310.7957426784.

Adding to 30021002 its reverse (20012003), we get a palindrome (50033005).

It can be divided in two parts, 3002 and 1002, that added together give a palindrome (4004).

The spelling of 30021002 in words is "thirty million, twenty-one thousand, two".