20010235013 has 2 divisors, whose sum is σ = 20010235014. Its totient is φ = 20010235012.

The previous prime is 20010235001. The next prime is 20010235099. The reversal of 20010235013 is 31053201002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14946774049 + 5063460964 = 122257^2 + 71158^2 .

It is a cyclic number.

It is not a de Polignac number, because 20010235013 - 2⁶ = 20010234949 is a prime.

It is a super-2 number, since 2×20010235013² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20010234982 and 20010235000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20010235213) 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, 10005117506 + 10005117507.

It is an arithmetic number, because the mean of its divisors is an integer number (10005117507).

Almost surely, 2^20010235013 is an apocalyptic number.

It is an amenable number.

20010235013 is a deficient number, since it is larger than the sum of its proper divisors (1).

20010235013 is an equidigital number, since it uses as much as digits as its factorization.

20010235013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 17.

Adding to 20010235013 its reverse (31053201002), we get a palindrome (51063436015).

The spelling of 20010235013 in words is "twenty billion, ten million, two hundred thirty-five thousand, thirteen".