30116020 has 48 divisors (see below), whose sum is σ = 69366528. Its totient is φ = 10892160.

The previous prime is 30115997. The next prime is 30116033. The reversal of 30116020 is 2061103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80554 + ... + 80926.

It is an arithmetic number, because the mean of its divisors is an integer number (1445136).

Almost surely, 2^30116020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30116020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34683264).

30116020 is an abundant number, since it is smaller than the sum of its proper divisors (39250508).

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

30116020 is a wasteful number, since it uses less digits than its factorization.

30116020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760 (or 758 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 30116020 is about 5487.8064834686. The cubic root of 30116020 is about 311.1232921346.

Adding to 30116020 its reverse (2061103), we get a palindrome (32177123).

The spelling of 30116020 in words is "thirty million, one hundred sixteen thousand, twenty".