20201001319973 has 2 divisors, whose sum is σ = 20201001319974. Its totient is φ = 20201001319972.

The previous prime is 20201001319909. The next prime is 20201001320041. The reversal of 20201001319973 is 37991310010202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13138471838209 + 7062529481764 = 3624703^2 + 2657542^2 .

It is a cyclic number.

It is not a de Polignac number, because 20201001319973 - 2⁶ = 20201001319909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20201001319073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100500659986 + 10100500659987.

It is an arithmetic number, because the mean of its divisors is an integer number (10100500659987).

Almost surely, 2^{20201001319973} is an apocalyptic number.

It is an amenable number.

20201001319973 is a deficient number, since it is larger than the sum of its proper divisors (1).

20201001319973 is an equidigital number, since it uses as much as digits as its factorization.

20201001319973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 38.

The spelling of 20201001319973 in words is "twenty trillion, two hundred one billion, one million, three hundred nineteen thousand, nine hundred seventy-three".