20473080757 has 2 divisors, whose sum is σ = 20473080758. Its totient is φ = 20473080756.

The previous prime is 20473080743. The next prime is 20473080839. The reversal of 20473080757 is 75708037402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19804651441 + 668429316 = 140729^2 + 25854^2 .

It is a cyclic number.

It is not a de Polignac number, because 20473080757 - 2¹⁵ = 20473047989 is a prime.

It is a super-3 number, since 3×20473080757³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20473080737) 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, 10236540378 + 10236540379.

It is an arithmetic number, because the mean of its divisors is an integer number (10236540379).

Almost surely, 2^20473080757 is an apocalyptic number.

It is an amenable number.

20473080757 is a deficient number, since it is larger than the sum of its proper divisors (1).

20473080757 is an equidigital number, since it uses as much as digits as its factorization.

20473080757 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 329280, while the sum is 43.

The spelling of 20473080757 in words is "twenty billion, four hundred seventy-three million, eighty thousand, seven hundred fifty-seven".