20624322 has 8 divisors (see below), whose sum is σ = 41248656. Its totient is φ = 6874772.

The previous prime is 20624321. The next prime is 20624327. The reversal of 20624322 is 22342602.

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

20624322 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (20624321) by changing a digit.

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, 1718688 + ... + 1718699.

It is an arithmetic number, because the mean of its divisors is an integer number (5156082).

Almost surely, 2^20624322 is an apocalyptic number.

20624322 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20624322 is a wasteful number, since it uses less digits than its factorization.

20624322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3437392.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 20624322 is about 4541.4008851895. The cubic root of 20624322 is about 274.2373225795.

Adding to 20624322 its reverse (22342602), we get a palindrome (42966924).

The spelling of 20624322 in words is "twenty million, six hundred twenty-four thousand, three hundred twenty-two".