20604343206416 has 20 divisors (see below), whose sum is σ = 40185291887424. Its totient is φ = 10233945300000.

The previous prime is 20604343206329. The next prime is 20604343206427. The reversal of 20604343206416 is 61460234340602.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4264141460 + ... + 4264146291.

Almost surely, 2^{20604343206416} is an apocalyptic number.

It is an amenable number.

20604343206416 is a deficient number, since it is larger than the sum of its proper divisors (19580948681008).

20604343206416 is a wasteful number, since it uses less digits than its factorization.

20604343206416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8528287910 (or 8528287904 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 41.

The spelling of 20604343206416 in words is "twenty trillion, six hundred four billion, three hundred forty-three million, two hundred six thousand, four hundred sixteen".