20039622 has 8 divisors (see below), whose sum is σ = 40079256. Its totient is φ = 6679872.

The previous prime is 20039599. The next prime is 20039627. The reversal of 20039622 is 22693002.

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

20039622 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 20039592 and 20039601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20039627) 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, 1669963 + ... + 1669974.

It is an arithmetic number, because the mean of its divisors is an integer number (5009907).

Almost surely, 2^20039622 is an apocalyptic number.

20039622 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.

20039622 is a wasteful number, since it uses less digits than its factorization.

20039622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3339942.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 20039622 is about 4476.5636374344. The cubic root of 20039622 is about 271.6208945095.

The spelling of 20039622 in words is "twenty million, thirty-nine thousand, six hundred twenty-two".