1340020002 has 32 divisors (see below), whose sum is σ = 2846999232. Its totient is φ = 419019264.

The previous prime is 1340019953. The next prime is 1340020007. The reversal of 1340020002 is 2000200431.

It is a self number, because there is not a number n which added to its sum of digits gives 1340020002.

It is not an unprimeable number, because it can be changed into a prime (1340020007) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 9918 + ... + 52710.

It is an arithmetic number, because the mean of its divisors is an integer number (88968726).

Almost surely, 2^1340020002 is an apocalyptic number.

1340020002 is an abundant number, since it is smaller than the sum of its proper divisors (1506979230).

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

1340020002 is a wasteful number, since it uses less digits than its factorization.

1340020002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43122.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 1340020002 is about 36606.2836409270. The cubic root of 1340020002 is about 1102.4792569151.

Adding to 1340020002 its reverse (2000200431), we get a palindrome (3340220433).

The spelling of 1340020002 in words is "one billion, three hundred forty million, twenty thousand, two".