30220135 has 16 divisors (see below), whose sum is σ = 41889312. Its totient is φ = 20684800.

The previous prime is 30220121. The next prime is 30220139. The reversal of 30220135 is 53102203.

30220135 = T₅ + T₆ + ... + T₅₆₅.

It is not a de Polignac number, because 30220135 - 2⁵ = 30220103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30220139) 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, 15226 + ... + 17095.

It is an arithmetic number, because the mean of its divisors is an integer number (2618082).

Almost surely, 2^30220135 is an apocalyptic number.

30220135 is a deficient number, since it is larger than the sum of its proper divisors (11669177).

30220135 is a wasteful number, since it uses less digits than its factorization.

30220135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32354.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 30220135 is about 5497.2843295576. The cubic root of 30220135 is about 311.4814109985.

Adding to 30220135 its reverse (53102203), we get a palindrome (83322338).

The spelling of 30220135 in words is "thirty million, two hundred twenty thousand, one hundred thirty-five".