220204021243 has 2 divisors, whose sum is σ = 220204021244. Its totient is φ = 220204021242.

The previous prime is 220204021211. The next prime is 220204021283. The reversal of 220204021243 is 342120402022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220204021243 - 2⁵ = 220204021211 is a prime.

It is not a weakly prime, because it can be changed into another prime (220204021283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110102010621 + 110102010622.

It is an arithmetic number, because the mean of its divisors is an integer number (110102010622).

Almost surely, 2^220204021243 is an apocalyptic number.

220204021243 is a deficient number, since it is larger than the sum of its proper divisors (1).

220204021243 is an equidigital number, since it uses as much as digits as its factorization.

220204021243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 220204021243 its reverse (342120402022), we get a palindrome (562324423265).

The spelling of 220204021243 in words is "two hundred twenty billion, two hundred four million, twenty-one thousand, two hundred forty-three".