1132430220 has 240 divisors, whose sum is σ = 3688312320. Its totient is φ = 290687616.

The previous prime is 1132430219. The next prime is 1132430237. The reversal of 1132430220 is 220342311.

1132430220 is a `hidden beast` number, since 1 + 13 + 2 + 430 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1132430193 and 1132430202.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 8146911 + ... + 8147049.

It is an arithmetic number, because the mean of its divisors is an integer number (15367968).

Almost surely, 2^1132430220 is an apocalyptic number.

1132430220 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 1132430220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1844156160).

1132430220 is an abundant number, since it is smaller than the sum of its proper divisors (2555882100).

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

1132430220 is a wasteful number, since it uses less digits than its factorization.

1132430220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314 (or 303 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1132430220 is about 33651.6005562886. The cubic root of 1132430220 is about 1042.3265898615.

Adding to 1132430220 its reverse (220342311), we get a palindrome (1352772531).

The spelling of 1132430220 in words is "one billion, one hundred thirty-two million, four hundred thirty thousand, two hundred twenty".