20608922 has 8 divisors (see below), whose sum is σ = 31337076. Its totient is φ = 10163232.

The previous prime is 20608873. The next prime is 20608927. The reversal of 20608922 is 22980602.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20529961 + 78961 = 4531^2 + 281^2 .

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

It is not an unprimeable number, because it can be changed into a prime (20608927) 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, 70433 + ... + 70724.

Almost surely, 2^20608922 is an apocalyptic number.

20608922 is a deficient number, since it is larger than the sum of its proper divisors (10728154).

20608922 is a wasteful number, since it uses less digits than its factorization.

20608922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141232.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 20608922 is about 4539.7050564987. The cubic root of 20608922 is about 274.1690487173.

The spelling of 20608922 in words is "twenty million, six hundred eight thousand, nine hundred twenty-two".