220066662006 has 12 divisors (see below), whose sum is σ = 476811101052. Its totient is φ = 73355553996.

The previous prime is 220066661999. The next prime is 220066662019. The reversal of 220066662006 is 600266660022.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6112962816 + ... + 6112962851.

It is an arithmetic number, because the mean of its divisors is an integer number (39734258421).

Almost surely, 2^220066662006 is an apocalyptic number.

220066662006 is an abundant number, since it is smaller than the sum of its proper divisors (256744439046).

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

220066662006 is a wasteful number, since it uses less digits than its factorization.

220066662006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12225925675 (or 12225925672 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The spelling of 220066662006 in words is "two hundred twenty billion, sixty-six million, six hundred sixty-two thousand, six".