20316722 has 8 divisors (see below), whose sum is σ = 30745116. Its totient is φ = 10068352.

The previous prime is 20316713. The next prime is 20316761. The reversal of 20316722 is 22761302.

It can be written as a sum of positive squares in 2 ways, for example, as 15437041 + 4879681 = 3929^2 + 2209^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44723 + ... + 45174.

Almost surely, 2^20316722 is an apocalyptic number.

20316722 is a deficient number, since it is larger than the sum of its proper divisors (10428394).

20316722 is a wasteful number, since it uses less digits than its factorization.

20316722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90012.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 20316722 is about 4507.4074588393. The cubic root of 20316722 is about 272.8671234998.

The spelling of 20316722 in words is "twenty million, three hundred sixteen thousand, seven hundred twenty-two".