1320203132 has 6 divisors (see below), whose sum is σ = 2310355488. Its totient is φ = 660101564.

The previous prime is 1320203111. The next prime is 1320203141. The reversal of 1320203132 is 2313020231.

It is a self number, because there is not a number n which added to its sum of digits gives 1320203132.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165025388 + ... + 165025395.

It is an arithmetic number, because the mean of its divisors is an integer number (385059248).

Almost surely, 2^1320203132 is an apocalyptic number.

It is an amenable number.

1320203132 is a deficient number, since it is larger than the sum of its proper divisors (990152356).

1320203132 is a wasteful number, since it uses less digits than its factorization.

1320203132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330050787 (or 330050785 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1320203132 is about 36334.5996537735. The cubic root of 1320203132 is about 1097.0175772834.

Adding to 1320203132 its reverse (2313020231), we get a palindrome (3633223363).

The spelling of 1320203132 in words is "one billion, three hundred twenty million, two hundred three thousand, one hundred thirty-two".