20346311455345 has 8 divisors (see below), whose sum is σ = 24417627790464. Its totient is φ = 16275679801584.

The previous prime is 20346311455339. The next prime is 20346311455397. The reversal of 20346311455345 is 54355411364302.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20346311455345 - 2⁵ = 20346311455313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20346311455295 and 20346311455304.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171104959 + ... + 171223828.

It is an arithmetic number, because the mean of its divisors is an integer number (3052203473808).

Almost surely, 2^{20346311455345} is an apocalyptic number.

It is an amenable number.

20346311455345 is a deficient number, since it is larger than the sum of its proper divisors (4071316335119).

20346311455345 is a wasteful number, since it uses less digits than its factorization.

20346311455345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342340679.

The product of its (nonzero) digits is 2592000, while the sum is 46.

The spelling of 20346311455345 in words is "twenty trillion, three hundred forty-six billion, three hundred eleven million, four hundred fifty-five thousand, three hundred forty-five".