20173338 has 12 divisors (see below), whose sum is σ = 43708938. Its totient is φ = 6724440.

The previous prime is 20173333. The next prime is 20173379. The reversal of 20173338 is 83337102.

It can be written as a sum of positive squares in only one way, i.e., 19421649 + 751689 = 4407^2 + 867^2 .

It is not an unprimeable number, because it can be changed into a prime (20173333) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 560353 + ... + 560388.

Almost surely, 2^20173338 is an apocalyptic number.

20173338 is an abundant number, since it is smaller than the sum of its proper divisors (23535600).

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

20173338 is a wasteful number, since it uses less digits than its factorization.

20173338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120749 (or 1120746 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 20173338 is about 4491.4739228899. The cubic root of 20173338 is about 272.2236932186.

The spelling of 20173338 in words is "twenty million, one hundred seventy-three thousand, three hundred thirty-eight".