30065020 has 24 divisors (see below), whose sum is σ = 63247968. Its totient is φ = 12004800.

The previous prime is 30065003. The next prime is 30065039. The reversal of 30065020 is 2056003.

It is a junction number, because it is equal to n+sod(n) for n = 30064985 and 30065003.

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 7 ways as a sum of consecutive naturals, for example, 15505 + ... + 17335.

It is an arithmetic number, because the mean of its divisors is an integer number (2635332).

Almost surely, 2^30065020 is an apocalyptic number.

It is an amenable number.

30065020 is an abundant number, since it is smaller than the sum of its proper divisors (33182948).

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

30065020 is a wasteful number, since it uses less digits than its factorization.

30065020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2661 (or 2659 counting only the distinct ones).

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

The square root of 30065020 is about 5483.1578492690. The cubic root of 30065020 is about 310.9475689020.

The spelling of 30065020 in words is "thirty million, sixty-five thousand, twenty".