30330020 has 36 divisors (see below), whose sum is σ = 74094300. Its totient is φ = 10398528.

The previous prime is 30330017. The next prime is 30330067. The reversal of 30330020 is 2003303.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 21603904 + 8726116 = 4648^2 + 2954^2 .

It is a super-2 number, since 2×30330020² = 1839820226400800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30329983 and 30330010.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 14495 + ... + 16454.

It is an arithmetic number, because the mean of its divisors is an integer number (2058175).

Almost surely, 2^30330020 is an apocalyptic number.

It is an amenable number.

30330020 is an abundant number, since it is smaller than the sum of its proper divisors (43764280).

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

30330020 is a wasteful number, since it uses less digits than its factorization.

30330020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30972 (or 30963 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 11.

The square root of 30330020 is about 5507.2697409878. The cubic root of 30330020 is about 311.8584855707.

Adding to 30330020 its reverse (2003303), we get a palindrome (32333323).

The spelling of 30330020 in words is "thirty million, three hundred thirty thousand, twenty".