20860486644806 has 8 divisors (see below), whose sum is σ = 32300108353344. Its totient is φ = 10093783860360.

The previous prime is 20860486644797. The next prime is 20860486644863. The reversal of 20860486644806 is 60844668406802.

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

It is a Harshad number since it is a multiple of its sum of digits (62), and also a Moran number because the ratio is a prime number: 336459462013 = 20860486644806 / (2 + 0 + 8 + 6 + 0 + 4 + 8 + 6 + 6 + 4 + 4 + 8 + 0 + 6).

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, 168229730945 + ... + 168229731068.

It is an arithmetic number, because the mean of its divisors is an integer number (4037513544168).

Almost surely, 2^{20860486644806} is an apocalyptic number.

20860486644806 is a deficient number, since it is larger than the sum of its proper divisors (11439621708538).

20860486644806 is a wasteful number, since it uses less digits than its factorization.

20860486644806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336459462046.

The product of its (nonzero) digits is 84934656, while the sum is 62.

The spelling of 20860486644806 in words is "twenty trillion, eight hundred sixty billion, four hundred eighty-six million, six hundred forty-four thousand, eight hundred six".