20300011321312 has 48 divisors (see below), whose sum is σ = 40830166056960. Its totient is φ = 9930595454848.

The previous prime is 20300011321297. The next prime is 20300011321327. The reversal of 20300011321312 is 21312311000302.

It is an interprime number because it is at equal distance from previous prime (20300011321297) and next prime (20300011321327).

It is a self number, because there is not a number n which added to its sum of digits gives 20300011321312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1985913 + ... + 6674119.

It is an arithmetic number, because the mean of its divisors is an integer number (850628459520).

Almost surely, 2^{20300011321312} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20300011321312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20415083028480).

20300011321312 is an abundant number, since it is smaller than the sum of its proper divisors (20530154735648).

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

20300011321312 is a wasteful number, since it uses less digits than its factorization.

20300011321312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4691143 (or 4691135 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 20300011321312 its reverse (21312311000302), we get a palindrome (41612322321614).

The spelling of 20300011321312 in words is "twenty trillion, three hundred billion, eleven million, three hundred twenty-one thousand, three hundred twelve".