30220653 has 16 divisors (see below), whose sum is σ = 41648256. Its totient is φ = 19481280.

The previous prime is 30220637. The next prime is 30220661. The reversal of 30220653 is 35602203.

It is not a de Polignac number, because 30220653 - 2⁴ = 30220637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30220633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9951 + ... + 12627.

It is an arithmetic number, because the mean of its divisors is an integer number (2603016).

Almost surely, 2^30220653 is an apocalyptic number.

It is an amenable number.

30220653 is a deficient number, since it is larger than the sum of its proper divisors (11427603).

30220653 is a wasteful number, since it uses less digits than its factorization.

30220653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2804.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 30220653 is about 5497.3314435279. The cubic root of 30220653 is about 311.4831906779.

Adding to 30220653 its reverse (35602203), we get a palindrome (65822856).

The spelling of 30220653 in words is "thirty million, two hundred twenty thousand, six hundred fifty-three".