4220686804206 has 32 divisors (see below), whose sum is σ = 8995802416128. Its totient is φ = 1317093752480.

The previous prime is 4220686804163. The next prime is 4220686804211. The reversal of 4220686804206 is 6024086860224.

It is a happy number.

It is a super-3 number, since 3×4220686804206³ (a number of 39 digits) contains 333 as substring.

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 325362525 + ... + 325375496.

It is an arithmetic number, because the mean of its divisors is an integer number (281118825504).

Almost surely, 2^{4220686804206} is an apocalyptic number.

4220686804206 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

4220686804206 is an abundant number, since it is smaller than the sum of its proper divisors (4775115611922).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4220686804206 is a wasteful number, since it uses less digits than its factorization.

4220686804206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650738096.

The product of its (nonzero) digits is 1769472, while the sum is 48.

The spelling of 4220686804206 in words is "four trillion, two hundred twenty billion, six hundred eighty-six million, eight hundred four thousand, two hundred six".