20320214351412 has 48 divisors (see below), whose sum is σ = 47522684518400. Its totient is φ = 6757872012000.

The previous prime is 20320214351387. The next prime is 20320214351413. The reversal of 20320214351412 is 21415341202302.

It is a happy number.

It is a super-2 number, since 2×20320214351412² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20320214351412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20320214351413) 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 15 ways as a sum of consecutive naturals, for example, 8278389 + ... + 10448547.

Almost surely, 2^{20320214351412} is an apocalyptic number.

It is an amenable number.

20320214351412 is an abundant number, since it is smaller than the sum of its proper divisors (27202470166988).

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

20320214351412 is a wasteful number, since it uses less digits than its factorization.

20320214351412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2171956 (or 2171954 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 20320214351412 its reverse (21415341202302), we get a palindrome (41735555553714).

The spelling of 20320214351412 in words is "twenty trillion, three hundred twenty billion, two hundred fourteen million, three hundred fifty-one thousand, four hundred twelve".