20112241432013 has 2 divisors, whose sum is σ = 20112241432014. Its totient is φ = 20112241432012.

The previous prime is 20112241431857. The next prime is 20112241432051. The reversal of 20112241432013 is 31023414221102.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15073751895049 + 5038489536964 = 3882493^2 + 2244658^2 .

It is a cyclic number.

It is not a de Polignac number, because 20112241432013 - 2¹⁸ = 20112241169869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20112241432313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10056120716006 + 10056120716007.

It is an arithmetic number, because the mean of its divisors is an integer number (10056120716007).

Almost surely, 2^{20112241432013} is an apocalyptic number.

It is an amenable number.

20112241432013 is a deficient number, since it is larger than the sum of its proper divisors (1).

20112241432013 is an equidigital number, since it uses as much as digits as its factorization.

20112241432013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 20112241432013 its reverse (31023414221102), we get a palindrome (51135655653115).

The spelling of 20112241432013 in words is "twenty trillion, one hundred twelve billion, two hundred forty-one million, four hundred thirty-two thousand, thirteen".