1152330220 has 48 divisors (see below), whose sum is σ = 2491751808. Its totient is φ = 447310080.

The previous prime is 1152330203. The next prime is 1152330247. The reversal of 1152330220 is 220332511.

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, 317134 + ... + 320746.

It is an arithmetic number, because the mean of its divisors is an integer number (51911496).

Almost surely, 2^1152330220 is an apocalyptic number.

1152330220 is a gapful number since it is divisible by the number (10) 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 1152330220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1245875904).

1152330220 is an abundant number, since it is smaller than the sum of its proper divisors (1339421588).

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

1152330220 is a wasteful number, since it uses less digits than its factorization.

1152330220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4090 (or 4088 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 1152330220 is about 33945.9897484224. The cubic root of 1152330220 is about 1048.3967126078.

Adding to 1152330220 its reverse (220332511), we get a palindrome (1372662731).

The spelling of 1152330220 in words is "one billion, one hundred fifty-two million, three hundred thirty thousand, two hundred twenty".