202020002011973 has 2 divisors, whose sum is σ = 202020002011974. Its totient is φ = 202020002011972.

The previous prime is 202020002011943. The next prime is 202020002012041. The reversal of 202020002011973 is 379110200020202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101584769471329 + 100435232540644 = 10078927^2 + 10021738^2 .

It is a cyclic number.

It is not a de Polignac number, because 202020002011973 - 2¹⁰ = 202020002010949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202020002011943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101010001005986 + 101010001005987.

It is an arithmetic number, because the mean of its divisors is an integer number (101010001005987).

Almost surely, 2^{202020002011973} is an apocalyptic number.

It is an amenable number.

202020002011973 is a deficient number, since it is larger than the sum of its proper divisors (1).

202020002011973 is an equidigital number, since it uses as much as digits as its factorization.

202020002011973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 29.

The spelling of 202020002011973 in words is "two hundred two trillion, twenty billion, two million, eleven thousand, nine hundred seventy-three".