20113213311302 has 32 divisors (see below), whose sum is σ = 31999176278784. Its totient is φ = 9461214813600.

The previous prime is 20113213311299. The next prime is 20113213311307. The reversal of 20113213311302 is 20311331231102.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20113213311307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62432777 + ... + 62754107.

It is an arithmetic number, because the mean of its divisors is an integer number (999974258712).

Almost surely, 2^{20113213311302} is an apocalyptic number.

20113213311302 is a deficient number, since it is larger than the sum of its proper divisors (11885962967482).

20113213311302 is a wasteful number, since it uses less digits than its factorization.

20113213311302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343724.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 20113213311302 its reverse (20311331231102), we get a palindrome (40424544542404).

The spelling of 20113213311302 in words is "twenty trillion, one hundred thirteen billion, two hundred thirteen million, three hundred eleven thousand, three hundred two".