20662322 has 8 divisors (see below), whose sum is σ = 31076400. Its totient is φ = 10303524.

The previous prime is 20662309. The next prime is 20662333. The reversal of 20662322 is 22326602.

It is a happy number.

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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12872 + ... + 14387.

It is an arithmetic number, because the mean of its divisors is an integer number (3884550).

Almost surely, 2^20662322 is an apocalyptic number.

20662322 is a deficient number, since it is larger than the sum of its proper divisors (10414078).

20662322 is a wasteful number, since it uses less digits than its factorization.

20662322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27640.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 20662322 is about 4545.5826909209. The cubic root of 20662322 is about 274.4056452782.

Adding to 20662322 its reverse (22326602), we get a palindrome (42988924).

The spelling of 20662322 in words is "twenty million, six hundred sixty-two thousand, three hundred twenty-two".