20452359113 has 2 divisors, whose sum is σ = 20452359114. Its totient is φ = 20452359112.

The previous prime is 20452359077. The next prime is 20452359121. The reversal of 20452359113 is 31195325402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19021098889 + 1431260224 = 137917^2 + 37832^2 .

It is a cyclic number.

It is not a de Polignac number, because 20452359113 - 2¹⁸ = 20452096969 is a prime.

It is a super-2 number, since 2×20452359113² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (20452359163) 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, 10226179556 + 10226179557.

It is an arithmetic number, because the mean of its divisors is an integer number (10226179557).

Almost surely, 2^20452359113 is an apocalyptic number.

It is an amenable number.

20452359113 is a deficient number, since it is larger than the sum of its proper divisors (1).

20452359113 is an equidigital number, since it uses as much as digits as its factorization.

20452359113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 35.

The spelling of 20452359113 in words is "twenty billion, four hundred fifty-two million, three hundred fifty-nine thousand, one hundred thirteen".