204021543227 has 2 divisors, whose sum is σ = 204021543228. Its totient is φ = 204021543226.

The previous prime is 204021543203. The next prime is 204021543251. The reversal of 204021543227 is 722345120402.

It is a balanced prime because it is at equal distance from previous prime (204021543203) and next prime (204021543251).

It is a cyclic number.

It is not a de Polignac number, because 204021543227 - 2¹⁰ = 204021542203 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 204021543193 and 204021543202.

It is not a weakly prime, because it can be changed into another prime (204021543127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102010771613 + 102010771614.

It is an arithmetic number, because the mean of its divisors is an integer number (102010771614).

Almost surely, 2^204021543227 is an apocalyptic number.

204021543227 is a deficient number, since it is larger than the sum of its proper divisors (1).

204021543227 is an equidigital number, since it uses as much as digits as its factorization.

204021543227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26880, while the sum is 32.

Adding to 204021543227 its reverse (722345120402), we get a palindrome (926366663629).

The spelling of 204021543227 in words is "two hundred four billion, twenty-one million, five hundred forty-three thousand, two hundred twenty-seven".