20113103293 has 2 divisors, whose sum is σ = 20113103294. Its totient is φ = 20113103292.

The previous prime is 20113103267. The next prime is 20113103321. The reversal of 20113103293 is 39230131102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13077752164 + 7035351129 = 114358^2 + 83877^2 .

It is a cyclic number.

It is not a de Polignac number, because 20113103293 - 2²¹ = 20111006141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20113103093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10056551646 + 10056551647.

It is an arithmetic number, because the mean of its divisors is an integer number (10056551647).

Almost surely, 2^20113103293 is an apocalyptic number.

It is an amenable number.

20113103293 is a deficient number, since it is larger than the sum of its proper divisors (1).

20113103293 is an equidigital number, since it uses as much as digits as its factorization.

20113103293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 20113103293 its reverse (39230131102), we get a palindrome (59343234395).

The spelling of 20113103293 in words is "twenty billion, one hundred thirteen million, one hundred three thousand, two hundred ninety-three".