1000320032 has 24 divisors (see below), whose sum is σ = 1987454700. Its totient is φ = 495569664.

The previous prime is 1000320031. The next prime is 1000320053. The reversal of 1000320032 is 2300230001.

It can be written as a sum of positive squares in 2 ways, for example, as 933669136 + 66650896 = 30556^2 + 8164^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1000319995 and 1000320022.

It is not an unprimeable number, because it can be changed into a prime (1000320031) 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, 139907 + ... + 146882.

Almost surely, 2^1000320032 is an apocalyptic number.

It is an amenable number.

1000320032 is a deficient number, since it is larger than the sum of its proper divisors (987134668).

1000320032 is a wasteful number, since it uses less digits than its factorization.

1000320032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286908 (or 286900 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 1000320032 is about 31627.8363471168. The cubic root of 1000320032 is about 1000.1066659553.

Adding to 1000320032 its reverse (2300230001), we get a palindrome (3300550033).

The spelling of 1000320032 in words is "one billion, three hundred twenty thousand, thirty-two".