20622332 has 12 divisors (see below), whose sum is σ = 36628200. Its totient is φ = 10157136.

The previous prime is 20622323. The next prime is 20622337. The reversal of 20622332 is 23322602.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20622337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38207 + ... + 38742.

It is an arithmetic number, because the mean of its divisors is an integer number (3052350).

Almost surely, 2^20622332 is an apocalyptic number.

It is an amenable number.

20622332 is a deficient number, since it is larger than the sum of its proper divisors (16005868).

20622332 is a wasteful number, since it uses less digits than its factorization.

20622332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77020 (or 77018 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 20622332 is about 4541.1817845138. The cubic root of 20622332 is about 274.2285020904.

Adding to 20622332 its reverse (23322602), we get a palindrome (43944934).

The spelling of 20622332 in words is "twenty million, six hundred twenty-two thousand, three hundred thirty-two".