20202646166 has 8 divisors (see below), whose sum is σ = 30308544144. Its totient is φ = 10099798120.

The previous prime is 20202646141. The next prime is 20202646241. The reversal of 20202646166 is 66164620202.

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, 745850 + ... + 772461.

It is an arithmetic number, because the mean of its divisors is an integer number (3788568018).

Almost surely, 2^20202646166 is an apocalyptic number.

20202646166 is a deficient number, since it is larger than the sum of its proper divisors (10105897978).

20202646166 is a wasteful number, since it uses less digits than its factorization.

20202646166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1524966.

The product of its (nonzero) digits is 41472, while the sum is 35.

The spelling of 20202646166 in words is "twenty billion, two hundred two million, six hundred forty-six thousand, one hundred sixty-six".