1132432020 has 144 divisors (see below), whose sum is σ = 3568939920. Its totient is φ = 290304000.

The previous prime is 1132432001. The next prime is 1132432043. The reversal of 1132432020 is 202342311.

1132432020 is a `hidden beast` number, since 1 + 1 + 324 + 320 + 20 = 666.

1132432020 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 60000516 + 1072431504 = 7746^2 + 32748^2 .

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 = 1132431984 and 1132432002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2092950 + ... + 2093490.

It is an arithmetic number, because the mean of its divisors is an integer number (24784305).

Almost surely, 2^1132432020 is an apocalyptic number.

1132432020 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 1132432020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1784469960).

1132432020 is an abundant number, since it is smaller than the sum of its proper divisors (2436507900).

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

1132432020 is a wasteful number, since it uses less digits than its factorization.

1132432020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986 (or 981 counting only the distinct ones).

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

The square root of 1132432020 is about 33651.6273009196. The cubic root of 1132432020 is about 1042.3271421212.

Adding to 1132432020 its reverse (202342311), we get a palindrome (1334774331).

The spelling of 1132432020 in words is "one billion, one hundred thirty-two million, four hundred thirty-two thousand, twenty".