200420343224243 has 8 divisors (see below), whose sum is σ = 201319537684608. Its totient is φ = 199521152769024.

The previous prime is 200420343224207. The next prime is 200420343224333. The reversal of 200420343224243 is 342422343024002.

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 200420343224243 - 2³² = 200416048256947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200420343524243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150821705 + ... + 152144757.

It is an arithmetic number, because the mean of its divisors is an integer number (25164942210576).

Almost surely, 2^{200420343224243} is an apocalyptic number.

200420343224243 is a deficient number, since it is larger than the sum of its proper divisors (899194460365).

200420343224243 is a wasteful number, since it uses less digits than its factorization.

200420343224243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002573.

The product of its (nonzero) digits is 221184, while the sum is 35.

Adding to 200420343224243 its reverse (342422343024002), we get a palindrome (542842686248245).

The spelling of 200420343224243 in words is "two hundred trillion, four hundred twenty billion, three hundred forty-three million, two hundred twenty-four thousand, two hundred forty-three".