20435070113 has 2 divisors, whose sum is σ = 20435070114. Its totient is φ = 20435070112.

The previous prime is 20435070059. The next prime is 20435070121. The reversal of 20435070113 is 31107053402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17800095889 + 2634974224 = 133417^2 + 51332^2 .

It is a cyclic number.

It is not a de Polignac number, because 20435070113 - 2¹⁸ = 20434807969 is a prime.

It is not a weakly prime, because it can be changed into another prime (20435070143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10217535056 + 10217535057.

It is an arithmetic number, because the mean of its divisors is an integer number (10217535057).

Almost surely, 2^20435070113 is an apocalyptic number.

It is an amenable number.

20435070113 is a deficient number, since it is larger than the sum of its proper divisors (1).

20435070113 is an equidigital number, since it uses as much as digits as its factorization.

20435070113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 26.

The spelling of 20435070113 in words is "twenty billion, four hundred thirty-five million, seventy thousand, one hundred thirteen".