20168214914648 has 16 divisors (see below), whose sum is σ = 39119382378000. Its totient is φ = 9736379613856.

The previous prime is 20168214914629. The next prime is 20168214914663. The reversal of 20168214914648 is 84641941286102.

It is a junction number, because it is equal to n+sod(n) for n = 20168214914593 and 20168214914602.

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, 43465980188 + ... + 43465980651.

It is an arithmetic number, because the mean of its divisors is an integer number (2444961398625).

Almost surely, 2^{20168214914648} is an apocalyptic number.

It is an amenable number.

20168214914648 is a deficient number, since it is larger than the sum of its proper divisors (18951167463352).

20168214914648 is a wasteful number, since it uses less digits than its factorization.

20168214914648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86931960874 (or 86931960870 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 56.

The spelling of 20168214914648 in words is "twenty trillion, one hundred sixty-eight billion, two hundred fourteen million, nine hundred fourteen thousand, six hundred forty-eight".