20315433543422 has 8 divisors (see below), whose sum is σ = 30492696920400. Its totient is φ = 10151201236624.

The previous prime is 20315433543413. The next prime is 20315433543451. The reversal of 20315433543422 is 22434533451302.

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 20315433543422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3257763647 + ... + 3257769882.

It is an arithmetic number, because the mean of its divisors is an integer number (3811587115050).

Almost surely, 2^{20315433543422} is an apocalyptic number.

20315433543422 is a deficient number, since it is larger than the sum of its proper divisors (10177263376978).

20315433543422 is a wasteful number, since it uses less digits than its factorization.

20315433543422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6515535090.

The product of its (nonzero) digits is 1036800, while the sum is 41.

Adding to 20315433543422 its reverse (22434533451302), we get a palindrome (42749966994724).

The spelling of 20315433543422 in words is "twenty trillion, three hundred fifteen billion, four hundred thirty-three million, five hundred forty-three thousand, four hundred twenty-two".