20103358213 has 2 divisors, whose sum is σ = 20103358214. Its totient is φ = 20103358212.

The previous prime is 20103358129. The next prime is 20103358229. The reversal of 20103358213 is 31285330102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15799735809 + 4303622404 = 125697^2 + 65602^2 .

It is a cyclic number.

It is not a de Polignac number, because 20103358213 - 2²⁹ = 19566487301 is a prime.

It is a super-2 number, since 2×20103358213² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20103358243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10051679106 + 10051679107.

It is an arithmetic number, because the mean of its divisors is an integer number (10051679107).

Almost surely, 2^20103358213 is an apocalyptic number.

It is an amenable number.

20103358213 is a deficient number, since it is larger than the sum of its proper divisors (1).

20103358213 is an equidigital number, since it uses as much as digits as its factorization.

20103358213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 20103358213 its reverse (31285330102), we get a palindrome (51388688315).

The spelling of 20103358213 in words is "twenty billion, one hundred three million, three hundred fifty-eight thousand, two hundred thirteen".