1133230220 has 12 divisors (see below), whose sum is σ = 2379783504. Its totient is φ = 453292080.

The previous prime is 1133230199. The next prime is 1133230223. The reversal of 1133230220 is 220323311.

It is not an unprimeable number, because it can be changed into a prime (1133230223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28330736 + ... + 28330775.

It is an arithmetic number, because the mean of its divisors is an integer number (198315292).

Almost surely, 2^1133230220 is an apocalyptic number.

1133230220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1133230220 is an abundant number, since it is smaller than the sum of its proper divisors (1246553284).

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

1133230220 is a wasteful number, since it uses less digits than its factorization.

1133230220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56661520 (or 56661518 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1133230220 is about 33663.4849651666. The cubic root of 1133230220 is about 1042.5719809902.

Adding to 1133230220 its reverse (220323311), we get a palindrome (1353553531).

The spelling of 1133230220 in words is "one billion, one hundred thirty-three million, two hundred thirty thousand, two hundred twenty".