20343665111546 has 8 divisors (see below), whose sum is σ = 34874854476960. Its totient is φ = 8718713619228.

The previous prime is 20343665111507. The next prime is 20343665111569. The reversal of 20343665111546 is 64511156634302.

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 20343665111546.

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, 726559468256 + ... + 726559468283.

It is an arithmetic number, because the mean of its divisors is an integer number (4359356809620).

Almost surely, 2^{20343665111546} is an apocalyptic number.

20343665111546 is a deficient number, since it is larger than the sum of its proper divisors (14531189365414).

20343665111546 is a wasteful number, since it uses less digits than its factorization.

20343665111546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1453118936548.

The product of its (nonzero) digits is 1555200, while the sum is 47.

The spelling of 20343665111546 in words is "twenty trillion, three hundred forty-three billion, six hundred sixty-five million, one hundred eleven thousand, five hundred forty-six".