204021245324119 has 2 divisors, whose sum is σ = 204021245324120. Its totient is φ = 204021245324118.

The previous prime is 204021245324081. The next prime is 204021245324147. The reversal of 204021245324119 is 911423542120402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 204021245324119 - 2⁷ = 204021245323991 is a prime.

It is a super-2 number, since 2×204021245324119² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204021245324189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102010622662059 + 102010622662060.

It is an arithmetic number, because the mean of its divisors is an integer number (102010622662060).

Almost surely, 2^{204021245324119} is an apocalyptic number.

204021245324119 is a deficient number, since it is larger than the sum of its proper divisors (1).

204021245324119 is an equidigital number, since it uses as much as digits as its factorization.

204021245324119 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 204021245324119 in words is "two hundred four trillion, twenty-one billion, two hundred forty-five million, three hundred twenty-four thousand, one hundred nineteen".