10420085057 has 2 divisors, whose sum is σ = 10420085058. Its totient is φ = 10420085056.

The previous prime is 10420085041. The next prime is 10420085063. The reversal of 10420085057 is 75058002401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7109693761 + 3310391296 = 84319^2 + 57536^2 .

It is a cyclic number.

It is not a de Polignac number, because 10420085057 - 2⁴ = 10420085041 is a prime.

It is a super-2 number, since 2×10420085057² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10420085017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5210042528 + 5210042529.

It is an arithmetic number, because the mean of its divisors is an integer number (5210042529).

Almost surely, 2^10420085057 is an apocalyptic number.

It is an amenable number.

10420085057 is a deficient number, since it is larger than the sum of its proper divisors (1).

10420085057 is an equidigital number, since it uses as much as digits as its factorization.

10420085057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11200, while the sum is 32.

Adding to 10420085057 its reverse (75058002401), we get a palindrome (85478087458).

The spelling of 10420085057 in words is "ten billion, four hundred twenty million, eighty-five thousand, fifty-seven".