30035220 has 24 divisors (see below), whose sum is σ = 84098784. Its totient is φ = 8009376.

The previous prime is 30035207. The next prime is 30035227. The reversal of 30035220 is 2253003.

It is a super-2 number, since 2×30035220² = 1804228880896800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 30035220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30035227) 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 7 ways as a sum of consecutive naturals, for example, 250234 + ... + 250353.

It is an arithmetic number, because the mean of its divisors is an integer number (3504116).

Almost surely, 2^30035220 is an apocalyptic number.

30035220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30035220 is an abundant number, since it is smaller than the sum of its proper divisors (54063564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30035220 is a wasteful number, since it uses less digits than its factorization.

30035220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500599 (or 500597 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 15.

The square root of 30035220 is about 5480.4397633767. The cubic root of 30035220 is about 310.8447994071.

Adding to 30035220 its reverse (2253003), we get a palindrome (32288223).

The spelling of 30035220 in words is "thirty million, thirty-five thousand, two hundred twenty".