1330220232 has 80 divisors (see below), whose sum is σ = 4064583600. Its totient is φ = 403094880.

The previous prime is 1330220231. The next prime is 1330220251. The reversal of 1330220232 is 2320220331.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1330220231) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 86182 + ... + 100437.

It is an arithmetic number, because the mean of its divisors is an integer number (50807295).

Almost surely, 2^1330220232 is an apocalyptic number.

1330220232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1330220232 is an abundant number, since it is smaller than the sum of its proper divisors (2734363368).

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

1330220232 is a wasteful number, since it uses less digits than its factorization.

1330220232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186648 (or 186635 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 1330220232 is about 36472.1843601394. The cubic root of 1330220232 is about 1099.7851459158.

Adding to 1330220232 its reverse (2320220331), we get a palindrome (3650440563).

Subtracting 1330220232 from its reverse (2320220331), we obtain a palindrome (990000099).

The spelling of 1330220232 in words is "one billion, three hundred thirty million, two hundred twenty thousand, two hundred thirty-two".