2020112101993 has 2 divisors, whose sum is σ = 2020112101994. Its totient is φ = 2020112101992.

The previous prime is 2020112101937. The next prime is 2020112102003. The reversal of 2020112101993 is 3991012110202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1171561617769 + 848550484224 = 1082387^2 + 921168^2 .

It is a cyclic number.

It is not a de Polignac number, because 2020112101993 - 2¹³ = 2020112093801 is a prime.

It is not a weakly prime, because it can be changed into another prime (2020112101093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010056050996 + 1010056050997.

It is an arithmetic number, because the mean of its divisors is an integer number (1010056050997).

Almost surely, 2^{2020112101993} is an apocalyptic number.

It is an amenable number.

2020112101993 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020112101993 is an equidigital number, since it uses as much as digits as its factorization.

2020112101993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 31.

The spelling of 2020112101993 in words is "two trillion, twenty billion, one hundred twelve million, one hundred one thousand, nine hundred ninety-three".