30165020 has 12 divisors (see below), whose sum is σ = 63346584. Its totient is φ = 12066000.

The previous prime is 30165019. The next prime is 30165061. The reversal of 30165020 is 2056103.

It is a self number, because there is not a number n which added to its sum of digits gives 30165020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 754106 + ... + 754145.

It is an arithmetic number, because the mean of its divisors is an integer number (5278882).

Almost surely, 2^30165020 is an apocalyptic number.

It is an amenable number.

30165020 is an abundant number, since it is smaller than the sum of its proper divisors (33181564).

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

30165020 is a wasteful number, since it uses less digits than its factorization.

30165020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1508260 (or 1508258 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 30165020 is about 5492.2691121248. The cubic root of 30165020 is about 311.2919374898.

The spelling of 30165020 in words is "thirty million, one hundred sixty-five thousand, twenty".