20202020210093 has 2 divisors, whose sum is σ = 20202020210094. Its totient is φ = 20202020210092.

The previous prime is 20202020210063. The next prime is 20202020210137. The reversal of 20202020210093 is 39001202020202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18241073695849 + 1960946514244 = 4270957^2 + 1400338^2 .

It is a cyclic number.

It is not a de Polignac number, because 20202020210093 - 2⁸ = 20202020209837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20202020210003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10101010105046 + 10101010105047.

It is an arithmetic number, because the mean of its divisors is an integer number (10101010105047).

Almost surely, 2^{20202020210093} is an apocalyptic number.

It is an amenable number.

20202020210093 is a deficient number, since it is larger than the sum of its proper divisors (1).

20202020210093 is an equidigital number, since it uses as much as digits as its factorization.

20202020210093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 20202020210093 its reverse (39001202020202), we get a palindrome (59203222230295).

The spelling of 20202020210093 in words is "twenty trillion, two hundred two billion, twenty million, two hundred ten thousand, ninety-three".