20601550273 has 2 divisors, whose sum is σ = 20601550274. Its totient is φ = 20601550272.

The previous prime is 20601550219. The next prime is 20601550301. The reversal of 20601550273 is 37205510602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19180034064 + 1421516209 = 138492^2 + 37703^2 .

It is a cyclic number.

It is not a de Polignac number, because 20601550273 - 2²⁹ = 20064679361 is a prime.

It is not a weakly prime, because it can be changed into another prime (20601550573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10300775136 + 10300775137.

It is an arithmetic number, because the mean of its divisors is an integer number (10300775137).

Almost surely, 2^20601550273 is an apocalyptic number.

It is an amenable number.

20601550273 is a deficient number, since it is larger than the sum of its proper divisors (1).

20601550273 is an equidigital number, since it uses as much as digits as its factorization.

20601550273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12600, while the sum is 31.

The spelling of 20601550273 in words is "twenty billion, six hundred one million, five hundred fifty thousand, two hundred seventy-three".