20042200404353 has 2 divisors, whose sum is σ = 20042200404354. Its totient is φ = 20042200404352.

The previous prime is 20042200404313. The next prime is 20042200404367. The reversal of 20042200404353 is 35340400224002.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11816736252304 + 8225464152049 = 3437548^2 + 2868007^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20042200404353 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (20042200404313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10021100202176 + 10021100202177.

It is an arithmetic number, because the mean of its divisors is an integer number (10021100202177).

Almost surely, 2^{20042200404353} is an apocalyptic number.

It is an amenable number.

20042200404353 is a deficient number, since it is larger than the sum of its proper divisors (1).

20042200404353 is an equidigital number, since it uses as much as digits as its factorization.

20042200404353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 29.

Adding to 20042200404353 its reverse (35340400224002), we get a palindrome (55382600628355).

The spelling of 20042200404353 in words is "twenty trillion, forty-two billion, two hundred million, four hundred four thousand, three hundred fifty-three".