20315315421214 has 8 divisors (see below), whose sum is σ = 33243243416568. Its totient is φ = 9234234282360.

The previous prime is 20315315421211. The next prime is 20315315421223. The reversal of 20315315421214 is 41212451351302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20315315421214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20315315421211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 461711714097 + ... + 461711714140.

It is an arithmetic number, because the mean of its divisors is an integer number (4155405427071).

Almost surely, 2^{20315315421214} is an apocalyptic number.

20315315421214 is a deficient number, since it is larger than the sum of its proper divisors (12927927995354).

20315315421214 is a wasteful number, since it uses less digits than its factorization.

20315315421214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923423428250.

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 20315315421214 its reverse (41212451351302), we get a palindrome (61527766772516).

The spelling of 20315315421214 in words is "twenty trillion, three hundred fifteen billion, three hundred fifteen million, four hundred twenty-one thousand, two hundred fourteen".