20200240243 has 8 divisors (see below), whose sum is σ = 21415425920. Its totient is φ = 19020277440.

The previous prime is 20200240213. The next prime is 20200240271. The reversal of 20200240243 is 34204200202.

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

It is a cyclic number.

It is not a de Polignac number, because 20200240243 - 2¹³ = 20200232051 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20200240243.

It is not an unprimeable number, because it can be changed into a prime (20200240213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8804538 + ... + 8806831.

It is an arithmetic number, because the mean of its divisors is an integer number (2676928240).

Almost surely, 2^20200240243 is an apocalyptic number.

20200240243 is a deficient number, since it is larger than the sum of its proper divisors (1215185677).

20200240243 is a wasteful number, since it uses less digits than its factorization.

20200240243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17611437.

The product of its (nonzero) digits is 768, while the sum is 19.

Adding to 20200240243 its reverse (34204200202), we get a palindrome (54404440445).

The spelling of 20200240243 in words is "twenty billion, two hundred million, two hundred forty thousand, two hundred forty-three".