20380576554049 has 2 divisors, whose sum is σ = 20380576554050. Its totient is φ = 20380576554048.

The previous prime is 20380576554031. The next prime is 20380576554097. The reversal of 20380576554049 is 94045567508302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20372223873600 + 8352680449 = 4513560^2 + 91393^2 .

It is a cyclic number.

It is not a de Polignac number, because 20380576554049 - 2⁷ = 20380576553921 is a prime.

It is a super-2 number, since 2×20380576554049² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20380576553984 and 20380576554002.

It is not a weakly prime, because it can be changed into another prime (20380576554449) 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, 10190288277024 + 10190288277025.

It is an arithmetic number, because the mean of its divisors is an integer number (10190288277025).

Almost surely, 2^{20380576554049} is an apocalyptic number.

It is an amenable number.

20380576554049 is a deficient number, since it is larger than the sum of its proper divisors (1).

20380576554049 is an equidigital number, since it uses as much as digits as its factorization.

20380576554049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288000, while the sum is 58.

The spelling of 20380576554049 in words is "twenty trillion, three hundred eighty billion, five hundred seventy-six million, five hundred fifty-four thousand, forty-nine".