20327252273 has 2 divisors, whose sum is σ = 20327252274. Its totient is φ = 20327252272.

The previous prime is 20327252249. The next prime is 20327252279. The reversal of 20327252273 is 37225272302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14853028129 + 5474224144 = 121873^2 + 73988^2 .

It is a cyclic number.

It is not a de Polignac number, because 20327252273 - 2²⁴ = 20310475057 is a prime.

It is not a weakly prime, because it can be changed into another prime (20327252279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10163626136 + 10163626137.

It is an arithmetic number, because the mean of its divisors is an integer number (10163626137).

Almost surely, 2^20327252273 is an apocalyptic number.

It is an amenable number.

20327252273 is a deficient number, since it is larger than the sum of its proper divisors (1).

20327252273 is an equidigital number, since it uses as much as digits as its factorization.

20327252273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560, while the sum is 35.

The spelling of 20327252273 in words is "twenty billion, three hundred twenty-seven million, two hundred fifty-two thousand, two hundred seventy-three".