200021442243203 has 4 divisors (see below), whose sum is σ = 228595933992240. Its totient is φ = 171446950494168.

The previous prime is 200021442243173. The next prime is 200021442243223. The reversal of 200021442243203 is 302342244120002.

200021442243203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 200021442243203 - 2⁴² = 195623395732099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200021442243223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14287245874508 + ... + 14287245874521.

It is an arithmetic number, because the mean of its divisors is an integer number (57148983498060).

Almost surely, 2^{200021442243203} is an apocalyptic number.

200021442243203 is a deficient number, since it is larger than the sum of its proper divisors (28574491749037).

200021442243203 is an equidigital number, since it uses as much as digits as its factorization.

200021442243203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28574491749036.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 200021442243203 its reverse (302342244120002), we get a palindrome (502363686363205).

The spelling of 200021442243203 in words is "two hundred trillion, twenty-one billion, four hundred forty-two million, two hundred forty-three thousand, two hundred three".