20613316635346 has 8 divisors (see below), whose sum is σ = 30920000941440. Its totient is φ = 10306649654868.

The previous prime is 20613316635323. The next prime is 20613316635367. The reversal of 20613316635346 is 64353661331602.

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 20613316635346.

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, 772006 + ... + 6467041.

It is an arithmetic number, because the mean of its divisors is an integer number (3865000117680).

Almost surely, 2^{20613316635346} is an apocalyptic number.

20613316635346 is a deficient number, since it is larger than the sum of its proper divisors (10306684306094).

20613316635346 is a wasteful number, since it uses less digits than its factorization.

20613316635346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8662808.

The product of its (nonzero) digits is 4199040, while the sum is 49.

Adding to 20613316635346 its reverse (64353661331602), we get a palindrome (84966977966948).

The spelling of 20613316635346 in words is "twenty trillion, six hundred thirteen billion, three hundred sixteen million, six hundred thirty-five thousand, three hundred forty-six".