2020210212173 has 2 divisors, whose sum is σ = 2020210212174. Its totient is φ = 2020210212172.

The previous prime is 2020210212151. The next prime is 2020210212197. The reversal of 2020210212173 is 3712120120202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1764333071524 + 255877140649 = 1328282^2 + 505843^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2020210212173 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2020210214173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010105106086 + 1010105106087.

It is an arithmetic number, because the mean of its divisors is an integer number (1010105106087).

Almost surely, 2^{2020210212173} is an apocalyptic number.

It is an amenable number.

2020210212173 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020210212173 is an equidigital number, since it uses as much as digits as its factorization.

2020210212173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 23.

Adding to 2020210212173 its reverse (3712120120202), we get a palindrome (5732330332375).

The spelling of 2020210212173 in words is "two trillion, twenty billion, two hundred ten million, two hundred twelve thousand, one hundred seventy-three".