20662162 has 8 divisors (see below), whose sum is σ = 31043376. Its totient is φ = 10314372.

The previous prime is 20662133. The next prime is 20662171. The reversal of 20662162 is 26126602.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6748 + ... + 9319.

It is an arithmetic number, because the mean of its divisors is an integer number (3880422).

Almost surely, 2^20662162 is an apocalyptic number.

20662162 is a deficient number, since it is larger than the sum of its proper divisors (10381214).

20662162 is a wasteful number, since it uses less digits than its factorization.

20662162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16712.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 20662162 is about 4545.5650913830. The cubic root of 20662162 is about 274.4049369839.

Adding to 20662162 its reverse (26126602), we get a palindrome (46788764).

The spelling of 20662162 in words is "twenty million, six hundred sixty-two thousand, one hundred sixty-two".