20310213213018 has 24 divisors (see below), whose sum is σ = 44005552445088. Its totient is φ = 6770057150472.

The previous prime is 20310213213013. The next prime is 20310213213019. The reversal of 20310213213018 is 81031231201302.

20310213213018 is a `hidden beast` number, since 2 + 0 + 3 + 10 + 21 + 321 + 301 + 8 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20310213212982 and 20310213213000.

It is not an unprimeable number, because it can be changed into a prime (20310213213013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11675755 + ... + 13302017.

It is an arithmetic number, because the mean of its divisors is an integer number (1833564685212).

Almost surely, 2^{20310213213018} is an apocalyptic number.

20310213213018 is an abundant number, since it is smaller than the sum of its proper divisors (23695339232070).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20310213213018 is a wasteful number, since it uses less digits than its factorization.

20310213213018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2320098 (or 2320095 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The spelling of 20310213213018 in words is "twenty trillion, three hundred ten billion, two hundred thirteen million, two hundred thirteen thousand, eighteen".