30220013 has 16 divisors (see below), whose sum is σ = 33285120. Its totient is φ = 27333936.

The previous prime is 30220007. The next prime is 30220049. The reversal of 30220013 is 31002203.

It is a cyclic number.

It is not a de Polignac number, because 30220013 - 2¹⁰ = 30218989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30219976 and 30220003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30220093) 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, 38006 + ... + 38792.

It is an arithmetic number, because the mean of its divisors is an integer number (2080320).

Almost surely, 2^30220013 is an apocalyptic number.

It is an amenable number.

30220013 is a deficient number, since it is larger than the sum of its proper divisors (3065107).

30220013 is a wasteful number, since it uses less digits than its factorization.

30220013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 30220013 is about 5497.2732331584. The cubic root of 30220013 is about 311.4809918433.

Adding to 30220013 its reverse (31002203), we get a palindrome (61222216).

The spelling of 30220013 in words is "thirty million, two hundred twenty thousand, thirteen".