20312636302112 has 288 divisors, whose sum is σ = 50494845405312. Its totient is φ = 7814200320000.

The previous prime is 20312636302109. The next prime is 20312636302159. The reversal of 20312636302112 is 21120363621302.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11587355828 + ... + 11587357580.

It is an arithmetic number, because the mean of its divisors is an integer number (175329324324).

Almost surely, 2^{20312636302112} is an apocalyptic number.

20312636302112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20312636302112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25247422702656).

20312636302112 is an abundant number, since it is smaller than the sum of its proper divisors (30182209103200).

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

20312636302112 is a wasteful number, since it uses less digits than its factorization.

20312636302112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2444 (or 2335 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 32.

Adding to 20312636302112 its reverse (21120363621302), we get a palindrome (41432999923414).

The spelling of 20312636302112 in words is "twenty trillion, three hundred twelve billion, six hundred thirty-six million, three hundred two thousand, one hundred twelve".