1320011232 has 24 divisors (see below), whose sum is σ = 3465029736. Its totient is φ = 440003712.

The previous prime is 1320011227. The next prime is 1320011233. The reversal of 1320011232 is 2321100231.

1320011232 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320011233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6874963 + ... + 6875154.

It is an arithmetic number, because the mean of its divisors is an integer number (144376239).

Almost surely, 2^1320011232 is an apocalyptic number.

1320011232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1320011232 is an abundant number, since it is smaller than the sum of its proper divisors (2145018504).

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

1320011232 is a wasteful number, since it uses less digits than its factorization.

1320011232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13750130 (or 13750122 counting only the distinct ones).

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

The square root of 1320011232 is about 36331.9588241537. The cubic root of 1320011232 is about 1096.9644218589.

Adding to 1320011232 its reverse (2321100231), we get a palindrome (3641111463).

The spelling of 1320011232 in words is "one billion, three hundred twenty million, eleven thousand, two hundred thirty-two".