20312663206046 has 8 divisors (see below), whose sum is σ = 30469104463440. Its totient is φ = 10156295051568.

The previous prime is 20312663206037. The next prime is 20312663206079. The reversal of 20312663206046 is 64060236621302.

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

It is a junction number, because it is equal to n+sod(n) for n = 20312663205994 and 20312663206012.

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, 17575706 + ... + 18695741.

It is an arithmetic number, because the mean of its divisors is an integer number (3808638057930).

Almost surely, 2^{20312663206046} is an apocalyptic number.

20312663206046 is a deficient number, since it is larger than the sum of its proper divisors (10156441257394).

20312663206046 is a wasteful number, since it uses less digits than its factorization.

20312663206046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36551458.

The product of its (nonzero) digits is 373248, while the sum is 41.

Adding to 20312663206046 its reverse (64060236621302), we get a palindrome (84372899827348).

The spelling of 20312663206046 in words is "twenty trillion, three hundred twelve billion, six hundred sixty-three million, two hundred six thousand, forty-six".