20066206 has 8 divisors (see below), whose sum is σ = 30150720. Its totient is φ = 10015968.

The previous prime is 20066197. The next prime is 20066243. The reversal of 20066206 is 60266002.

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

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, 7051 + ... + 9478.

It is an arithmetic number, because the mean of its divisors is an integer number (3768840).

Almost surely, 2^20066206 is an apocalyptic number.

20066206 is a deficient number, since it is larger than the sum of its proper divisors (10084514).

20066206 is a wasteful number, since it uses less digits than its factorization.

20066206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17138.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 20066206 is about 4479.5318951873. The cubic root of 20066206 is about 271.7409496558.

The spelling of 20066206 in words is "twenty million, sixty-six thousand, two hundred six".