30020606 has 32 divisors (see below), whose sum is σ = 59450112. Its totient is φ = 11007360.

The previous prime is 30020603. The next prime is 30020611. The reversal of 30020606 is 60602003.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30020603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3116 + ... + 8351.

It is an arithmetic number, because the mean of its divisors is an integer number (1857816).

Almost surely, 2^30020606 is an apocalyptic number.

30020606 is a deficient number, since it is larger than the sum of its proper divisors (29429506).

30020606 is a wasteful number, since it uses less digits than its factorization.

30020606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11504.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 30020606 is about 5479.1063139895. The cubic root of 30020606 is about 310.7943761277.

Adding to 30020606 its reverse (60602003), we get a palindrome (90622609).

The spelling of 30020606 in words is "thirty million, twenty thousand, six hundred six".