30020245 has 8 divisors (see below), whose sum is σ = 37186560. Its totient is φ = 23241360.

The previous prime is 30020227. The next prime is 30020251. The reversal of 30020245 is 54202003.

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

It is not a de Polignac number, because 30020245 - 2⁵ = 30020213 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 96685 + ... + 96994.

It is an arithmetic number, because the mean of its divisors is an integer number (4648320).

Almost surely, 2^30020245 is an apocalyptic number.

It is an amenable number.

30020245 is a deficient number, since it is larger than the sum of its proper divisors (7166315).

30020245 is a wasteful number, since it uses less digits than its factorization.

30020245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193715.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 30020245 is about 5479.0733705619. The cubic root of 30020245 is about 310.7931303477.

Adding to 30020245 its reverse (54202003), we get a palindrome (84222248).

The spelling of 30020245 in words is "thirty million, twenty thousand, two hundred forty-five".