30220363 has 4 divisors (see below), whose sum is σ = 30405928. Its totient is φ = 30034800.

The previous prime is 30220361. The next prime is 30220387. The reversal of 30220363 is 36302203.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30220363 - 2¹ = 30220361 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30220363.

It is not an unprimeable number, because it can be changed into a prime (30220361) 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, 92538 + ... + 92863.

It is an arithmetic number, because the mean of its divisors is an integer number (7601482).

Almost surely, 2^30220363 is an apocalyptic number.

30220363 is a deficient number, since it is larger than the sum of its proper divisors (185565).

30220363 is a wasteful number, since it uses less digits than its factorization.

30220363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185564.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 30220363 is about 5497.3050670306. The cubic root of 30220363 is about 311.4821943348.

Adding to 30220363 its reverse (36302203), we get a palindrome (66522566).

The spelling of 30220363 in words is "thirty million, two hundred twenty thousand, three hundred sixty-three".