20220686606 has 8 divisors (see below), whose sum is σ = 30384905544. Its totient is φ = 10092384760.

The previous prime is 20220686587. The next prime is 20220686623. The reversal of 20220686606 is 60668602202.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20220686606.

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, 8977865 + ... + 8980116.

It is an arithmetic number, because the mean of its divisors is an integer number (3798113193).

Almost surely, 2^20220686606 is an apocalyptic number.

20220686606 is a deficient number, since it is larger than the sum of its proper divisors (10164218938).

20220686606 is a wasteful number, since it uses less digits than its factorization.

20220686606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17958546.

The product of its (nonzero) digits is 82944, while the sum is 38.

The spelling of 20220686606 in words is "twenty billion, two hundred twenty million, six hundred eighty-six thousand, six hundred six".