30089520 has 180 divisors, whose sum is σ = 106972320. Its totient is φ = 7577856.

The previous prime is 30089519. The next prime is 30089557. The reversal of 30089520 is 2598003.

It is a tau number, because it is divible by the number of its divisors (180).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 380841 + ... + 380919.

Almost surely, 2^30089520 is an apocalyptic number.

30089520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30089520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53486160).

30089520 is an abundant number, since it is smaller than the sum of its proper divisors (76882800).

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

30089520 is a wasteful number, since it uses less digits than its factorization.

30089520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 30089520 is about 5485.3915083611. The cubic root of 30089520 is about 311.0320097462.

The spelling of 30089520 in words is "thirty million, eighty-nine thousand, five hundred twenty".