2140320203242 has 32 divisors (see below), whose sum is σ = 3661367974992. Its totient is φ = 929592474624.

The previous prime is 2140320203239. The next prime is 2140320203251. The reversal of 2140320203242 is 2423020230412.

It can be written as a sum of positive squares in 8 ways, for example, as 2090103426961 + 50216776281 = 1445719^2 + 224091^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2616388 + ... + 3335584.

Almost surely, 2^{2140320203242} is an apocalyptic number.

2140320203242 is a deficient number, since it is larger than the sum of its proper divisors (1521047771750).

2140320203242 is a wasteful number, since it uses less digits than its factorization.

2140320203242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725962.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 2140320203242 its reverse (2423020230412), we get a palindrome (4563340433654).

The spelling of 2140320203242 in words is "two trillion, one hundred forty billion, three hundred twenty million, two hundred three thousand, two hundred forty-two".