20310201312 has 24 divisors (see below), whose sum is σ = 53314278696. Its totient is φ = 6770067072.

The previous prime is 20310201271. The next prime is 20310201323. The reversal of 20310201312 is 21310201302.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 20310201291 and 20310201300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105782203 + ... + 105782394.

It is an arithmetic number, because the mean of its divisors is an integer number (2221428279).

Almost surely, 2^20310201312 is an apocalyptic number.

It is an amenable number.

20310201312 is an abundant number, since it is smaller than the sum of its proper divisors (33004077384).

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

20310201312 is a wasteful number, since it uses less digits than its factorization.

20310201312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211564610 (or 211564602 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20310201312 its reverse (21310201302), we get a palindrome (41620402614).

The spelling of 20310201312 in words is "twenty billion, three hundred ten million, two hundred one thousand, three hundred twelve".