30020216 has 16 divisors (see below), whose sum is σ = 57486240. Its totient is φ = 14690560.

The previous prime is 30020213. The next prime is 30020227. The reversal of 30020216 is 61202003.

It is a self number, because there is not a number n which added to its sum of digits gives 30020216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30020213) 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, 39545 + ... + 40296.

It is an arithmetic number, because the mean of its divisors is an integer number (3592890).

Almost surely, 2^30020216 is an apocalyptic number.

It is an amenable number.

30020216 is a deficient number, since it is larger than the sum of its proper divisors (27466024).

30020216 is a wasteful number, since it uses less digits than its factorization.

30020216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79894 (or 79890 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 30020216 is about 5479.0707241283. The cubic root of 30020216 is about 310.7930302707.

Adding to 30020216 its reverse (61202003), we get a palindrome (91222219).

The spelling of 30020216 in words is "thirty million, twenty thousand, two hundred sixteen".