4220686804205 has 8 divisors (see below), whose sum is σ = 5362754998392. Its totient is φ = 3177928887808.

The previous prime is 4220686804163. The next prime is 4220686804211. The reversal of 4220686804205 is 5024086860224.

It can be written as a sum of positive squares in 4 ways, for example, as 2291460255049 + 1929226549156 = 1513757^2 + 1388966^2 .

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 4220686804205 - 2⁶ = 4220686804141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4220686804205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24827569352 + ... + 24827569521.

It is an arithmetic number, because the mean of its divisors is an integer number (670344374799).

Almost surely, 2^{4220686804205} is an apocalyptic number.

It is an amenable number.

4220686804205 is a deficient number, since it is larger than the sum of its proper divisors (1142068194187).

4220686804205 is a wasteful number, since it uses less digits than its factorization.

4220686804205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49655138895.

The product of its (nonzero) digits is 1474560, while the sum is 47.

The spelling of 4220686804205 in words is "four trillion, two hundred twenty billion, six hundred eighty-six million, eight hundred four thousand, two hundred five".