20301123312 has 100 divisors (see below), whose sum is σ = 58812229080. Its totient is φ = 6760720512.

The previous prime is 20301123299. The next prime is 20301123313. The reversal of 20301123312 is 21332110302.

20301123312 is a `hidden beast` number, since 20 + 301 + 12 + 331 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20301123313) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1500514 + ... + 1513982.

Almost surely, 2^20301123312 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 20301123312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29406114540).

20301123312 is an abundant number, since it is smaller than the sum of its proper divisors (38511105768).

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

20301123312 is a wasteful number, since it uses less digits than its factorization.

20301123312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14652 (or 14637 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 20301123312 its reverse (21332110302), we get a palindrome (41633233614).

The spelling of 20301123312 in words is "twenty billion, three hundred one million, one hundred twenty-three thousand, three hundred twelve".