20004303243 has 8 divisors (see below), whose sum is σ = 26738920656. Its totient is φ = 13302944000.

The previous prime is 20004303239. The next prime is 20004303259. The reversal of 20004303243 is 34230340002.

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 20004303243 - 2² = 20004303239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20004303343) 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, 8313138 + ... + 8315543.

It is an arithmetic number, because the mean of its divisors is an integer number (3342365082).

Almost surely, 2^20004303243 is an apocalyptic number.

20004303243 is a deficient number, since it is larger than the sum of its proper divisors (6734617413).

20004303243 is a wasteful number, since it uses less digits than its factorization.

20004303243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16629085.

The product of its (nonzero) digits is 1728, while the sum is 21.

Adding to 20004303243 its reverse (34230340002), we get a palindrome (54234643245).

The spelling of 20004303243 in words is "twenty billion, four million, three hundred three thousand, two hundred forty-three".