1320011002 has 8 divisors (see below), whose sum is σ = 2096488116. Its totient is φ = 621181632.

The previous prime is 1320010999. The next prime is 1320011003. The reversal of 1320011002 is 2001100231.

It can be written as a sum of positive squares in 2 ways, for example, as 1279421361 + 40589641 = 35769^2 + 6371^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1320011002.

It is not an unprimeable number, because it can be changed into a prime (1320011003) 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, 19411893 + ... + 19411960.

Almost surely, 2^1320011002 is an apocalyptic number.

1320011002 is a deficient number, since it is larger than the sum of its proper divisors (776477114).

1320011002 is a wasteful number, since it uses less digits than its factorization.

1320011002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38823872.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1320011002 is about 36331.9556588962. The cubic root of 1320011002 is about 1096.9643581468.

Adding to 1320011002 its reverse (2001100231), we get a palindrome (3321111233).

The spelling of 1320011002 in words is "one billion, three hundred twenty million, eleven thousand, two".