200421220022343 has 12 divisors (see below), whose sum is σ = 289497455279760. Its totient is φ = 133614083234016.

The previous prime is 200421220022299. The next prime is 200421220022351. The reversal of 200421220022343 is 343220022124002.

200421220022343 is a `hidden beast` number, since 2 + 0 + 0 + 421 + 2 + 2 + 0 + 0 + 2 + 234 + 3 = 666.

It is not a de Polignac number, because 200421220022343 - 2⁹ = 200421220021831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200421220022363) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22288003 + ... + 29959931.

It is an arithmetic number, because the mean of its divisors is an integer number (24124787939980).

Almost surely, 2^{200421220022343} is an apocalyptic number.

200421220022343 is a deficient number, since it is larger than the sum of its proper divisors (89076235257417).

200421220022343 is a wasteful number, since it uses less digits than its factorization.

200421220022343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10574598 (or 10574595 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 200421220022343 its reverse (343220022124002), we get a palindrome (543641242146345).

The spelling of 200421220022343 in words is "two hundred trillion, four hundred twenty-one billion, two hundred twenty million, twenty-two thousand, three hundred forty-three".