20600798389 has 2 divisors, whose sum is σ = 20600798390. Its totient is φ = 20600798388.

The previous prime is 20600798363. The next prime is 20600798423. The reversal of 20600798389 is 98389700602.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20573025489 + 27772900 = 143433^2 + 5270^2 .

It is a cyclic number.

It is not a de Polignac number, because 20600798389 - 2⁷ = 20600798261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20600798329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10300399194 + 10300399195.

It is an arithmetic number, because the mean of its divisors is an integer number (10300399195).

Almost surely, 2^20600798389 is an apocalyptic number.

It is an amenable number.

20600798389 is a deficient number, since it is larger than the sum of its proper divisors (1).

20600798389 is an equidigital number, since it uses as much as digits as its factorization.

20600798389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1306368, while the sum is 52.

The spelling of 20600798389 in words is "twenty billion, six hundred million, seven hundred ninety-eight thousand, three hundred eighty-nine".