20013233233013 has 2 divisors, whose sum is σ = 20013233233014. Its totient is φ = 20013233233012.

The previous prime is 20013233233003. The next prime is 20013233233033. The reversal of 20013233233013 is 31033233231002.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19900503156004 + 112730077009 = 4460998^2 + 335753^2 .

It is a cyclic number.

It is not a de Polignac number, because 20013233233013 - 2¹⁰ = 20013233231989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20013233233003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10006616616506 + 10006616616507.

It is an arithmetic number, because the mean of its divisors is an integer number (10006616616507).

Almost surely, 2^{20013233233013} is an apocalyptic number.

It is an amenable number.

20013233233013 is a deficient number, since it is larger than the sum of its proper divisors (1).

20013233233013 is an equidigital number, since it uses as much as digits as its factorization.

20013233233013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 20013233233013 its reverse (31033233231002), we get a palindrome (51046466464015).

The spelling of 20013233233013 in words is "twenty trillion, thirteen billion, two hundred thirty-three million, two hundred thirty-three thousand, thirteen".