1132020340 has 72 divisors (see below), whose sum is σ = 2622291840. Its totient is φ = 410182080.

The previous prime is 1132020301. The next prime is 1132020341. The reversal of 1132020340 is 430202311.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1132020341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 868129 + ... + 869431.

It is an arithmetic number, because the mean of its divisors is an integer number (36420720).

Almost surely, 2^1132020340 is an apocalyptic number.

1132020340 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 1132020340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1311145920).

1132020340 is an abundant number, since it is smaller than the sum of its proper divisors (1490271500).

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

1132020340 is a wasteful number, since it uses less digits than its factorization.

1132020340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1693 (or 1680 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1132020340 is about 33645.5099530383. The cubic root of 1132020340 is about 1042.2008189397.

Adding to 1132020340 its reverse (430202311), we get a palindrome (1562222651).

The spelling of 1132020340 in words is "one billion, one hundred thirty-two million, twenty thousand, three hundred forty".