1132321020 has 48 divisors (see below), whose sum is σ = 3198575520. Its totient is φ = 299278336.

The previous prime is 1132321009. The next prime is 1132321111. The reversal of 1132321020 is 201232311.

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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76725 + ... + 90284.

It is an arithmetic number, because the mean of its divisors is an integer number (66636990).

Almost surely, 2^1132321020 is an apocalyptic number.

1132321020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1132321020 is an abundant number, since it is smaller than the sum of its proper divisors (2066254500).

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

1132321020 is a wasteful number, since it uses less digits than its factorization.

1132321020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167134 (or 167132 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1132321020 is about 33649.9780089081. The cubic root of 1132321020 is about 1042.2930850090.

Adding to 1132321020 its reverse (201232311), we get a palindrome (1333553331).

The spelling of 1132321020 in words is "one billion, one hundred thirty-two million, three hundred twenty-one thousand, twenty".