2040203243 has 8 divisors (see below), whose sum is σ = 2204644848. Its totient is φ = 1876833504.

The previous prime is 2040203233. The next prime is 2040203251. The reversal of 2040203243 is 3423020402.

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

It is not a de Polignac number, because 2040203243 - 2⁴ = 2040203227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2040203233) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 264005 + ... + 271622.

It is an arithmetic number, because the mean of its divisors is an integer number (275580606).

Almost surely, 2^2040203243 is an apocalyptic number.

2040203243 is a deficient number, since it is larger than the sum of its proper divisors (164441605).

2040203243 is a wasteful number, since it uses less digits than its factorization.

2040203243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535933.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 2040203243 is about 45168.6090443352. The cubic root of 2040203243 is about 1268.3072583078.

Adding to 2040203243 its reverse (3423020402), we get a palindrome (5463223645).

The spelling of 2040203243 in words is "two billion, forty million, two hundred three thousand, two hundred forty-three".