20377000361 has 2 divisors, whose sum is σ = 20377000362. Its totient is φ = 20377000360.

The previous prime is 20377000349. The next prime is 20377000363. The reversal of 20377000361 is 16300077302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17727324736 + 2649675625 = 133144^2 + 51475^2 .

It is a cyclic number.

It is not a de Polignac number, because 20377000361 - 2⁶ = 20377000297 is a prime.

Together with 20377000363, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20377000363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10188500180 + 10188500181.

It is an arithmetic number, because the mean of its divisors is an integer number (10188500181).

Almost surely, 2^20377000361 is an apocalyptic number.

It is an amenable number.

20377000361 is a deficient number, since it is larger than the sum of its proper divisors (1).

20377000361 is an equidigital number, since it uses as much as digits as its factorization.

20377000361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5292, while the sum is 29.

Adding to 20377000361 its reverse (16300077302), we get a palindrome (36677077663).

The spelling of 20377000361 in words is "twenty billion, three hundred seventy-seven million, three hundred sixty-one", and thus it is an aban number.