1320042032 has 20 divisors (see below), whose sum is σ = 2558195640. Its totient is φ = 659862528.

The previous prime is 1320042029. The next prime is 1320042041. The reversal of 1320042032 is 2302400231.

It is a self number, because there is not a number n which added to its sum of digits gives 1320042032.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88319 + ... + 102177.

It is an arithmetic number, because the mean of its divisors is an integer number (127909782).

Almost surely, 2^1320042032 is an apocalyptic number.

It is an amenable number.

1320042032 is a deficient number, since it is larger than the sum of its proper divisors (1238153608).

1320042032 is a wasteful number, since it uses less digits than its factorization.

1320042032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19820 (or 19814 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 1320042032 is about 36332.3826909274. The cubic root of 1320042032 is about 1096.9729536654.

Adding to 1320042032 its reverse (2302400231), we get a palindrome (3622442263).

The spelling of 1320042032 in words is "one billion, three hundred twenty million, forty-two thousand, thirty-two".