20116226232312 has 128 divisors (see below), whose sum is σ = 60034078540800. Its totient is φ = 5495426915328.

The previous prime is 20116226232307. The next prime is 20116226232317. The reversal of 20116226232312 is 21323262261102.

It is an interprime number because it is at equal distance from previous prime (20116226232307) and next prime (20116226232317).

It is a super-3 number, since 3×20116226232312³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20116226232317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19541613 + ... + 20545244.

It is an arithmetic number, because the mean of its divisors is an integer number (469016238600).

Almost surely, 2^{20116226232312} is an apocalyptic number.

It is an amenable number.

20116226232312 is an abundant number, since it is smaller than the sum of its proper divisors (39917852308488).

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

20116226232312 is a wasteful number, since it uses less digits than its factorization.

20116226232312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40087005 (or 40087001 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

Adding to 20116226232312 its reverse (21323262261102), we get a palindrome (41439488493414).

The spelling of 20116226232312 in words is "twenty trillion, one hundred sixteen billion, two hundred twenty-six million, two hundred thirty-two thousand, three hundred twelve".