20632322 has 8 divisors (see below), whose sum is σ = 32769036. Its totient is φ = 9709312.

The previous prime is 20632301. The next prime is 20632327. The reversal of 20632322 is 22323602.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20259001 + 373321 = 4501^2 + 611^2 .

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

It is a super-2 number, since 2×20632322² = 851385422223368, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20632294 and 20632303.

It is not an unprimeable number, because it can be changed into a prime (20632327) by changing a digit.

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, 303383 + ... + 303450.

Almost surely, 2^20632322 is an apocalyptic number.

20632322 is a deficient number, since it is larger than the sum of its proper divisors (12136714).

20632322 is a wasteful number, since it uses less digits than its factorization.

20632322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606852.

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

The square root of 20632322 is about 4542.2815852829. The cubic root of 20632322 is about 274.2727761083.

Adding to 20632322 its reverse (22323602), we get a palindrome (42955924).

The spelling of 20632322 in words is "twenty million, six hundred thirty-two thousand, three hundred twenty-two".