1132240020 has 96 divisors (see below), whose sum is σ = 3357002880. Its totient is φ = 284336640.

The previous prime is 1132240003. The next prime is 1132240033. The reversal of 1132240020 is 200422311.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 194350 + ... + 200090.

It is an arithmetic number, because the mean of its divisors is an integer number (34968780).

Almost surely, 2^1132240020 is an apocalyptic number.

1132240020 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 1132240020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1678501440).

1132240020 is an abundant number, since it is smaller than the sum of its proper divisors (2224762860).

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

1132240020 is a wasteful number, since it uses less digits than its factorization.

1132240020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5945 (or 5943 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1132240020 is about 33648.7744204748. The cubic root of 1132240020 is about 1042.2682311170.

Adding to 1132240020 its reverse (200422311), we get a palindrome (1332662331).

The spelling of 1132240020 in words is "one billion, one hundred thirty-two million, two hundred forty thousand, twenty".