30205252 has 48 divisors (see below), whose sum is σ = 66326400. Its totient is φ = 11692800.

The previous prime is 30205247. The next prime is 30205267. The reversal of 30205252 is 25250203.

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, 86374 + ... + 86722.

It is an arithmetic number, because the mean of its divisors is an integer number (1381800).

Almost surely, 2^30205252 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 30205252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33163200).

30205252 is an abundant number, since it is smaller than the sum of its proper divisors (36121148).

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

30205252 is a wasteful number, since it uses less digits than its factorization.

30205252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652 (or 650 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 30205252 is about 5495.9304944659. The cubic root of 30205252 is about 311.4302691680.

Adding to 30205252 its reverse (25250203), we get a palindrome (55455455).

The spelling of 30205252 in words is "thirty million, two hundred five thousand, two hundred fifty-two".