20013213323313 has 24 divisors (see below), whose sum is σ = 33039142164288. Its totient is φ = 11435617664352.

The previous prime is 20013213323303. The next prime is 20013213323321. The reversal of 20013213323313 is 31332331231002.

20013213323313 is a `hidden beast` number, since 2 + 0 + 0 + 1 + 3 + 21 + 3 + 323 + 313 = 666.

It is not a de Polignac number, because 20013213323313 - 2⁴ = 20013213323297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20013213323303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5560731 + ... + 8423072.

It is an arithmetic number, because the mean of its divisors is an integer number (1376630923512).

Almost surely, 2^{20013213323313} is an apocalyptic number.

It is an amenable number.

20013213323313 is a deficient number, since it is larger than the sum of its proper divisors (13025928840975).

20013213323313 is a wasteful number, since it uses less digits than its factorization.

20013213323313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14006533 (or 14006530 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

Adding to 20013213323313 its reverse (31332331231002), we get a palindrome (51345544554315).

The spelling of 20013213323313 in words is "twenty trillion, thirteen billion, two hundred thirteen million, three hundred twenty-three thousand, three hundred thirteen".