20372201454289 has 2 divisors, whose sum is σ = 20372201454290. Its totient is φ = 20372201454288.

The previous prime is 20372201454239. The next prime is 20372201454317. The reversal of 20372201454289 is 98245410227302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13971260974225 + 6400940480064 = 3737815^2 + 2530008^2 .

It is a cyclic number.

It is not a de Polignac number, because 20372201454289 - 2⁹ = 20372201453777 is a prime.

It is not a weakly prime, because it can be changed into another prime (20372201454239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10186100727144 + 10186100727145.

It is an arithmetic number, because the mean of its divisors is an integer number (10186100727145).

Almost surely, 2^{20372201454289} is an apocalyptic number.

It is an amenable number.

20372201454289 is a deficient number, since it is larger than the sum of its proper divisors (1).

20372201454289 is an equidigital number, since it uses as much as digits as its factorization.

20372201454289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1935360, while the sum is 49.

The spelling of 20372201454289 in words is "twenty trillion, three hundred seventy-two billion, two hundred one million, four hundred fifty-four thousand, two hundred eighty-nine".