20452396 has 6 divisors (see below), whose sum is σ = 35791700. Its totient is φ = 10226196.

The previous prime is 20452363. The next prime is 20452427. The reversal of 20452396 is 69325402.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2556546 + ... + 2556553.

Almost surely, 2^20452396 is an apocalyptic number.

It is an amenable number.

20452396 is a deficient number, since it is larger than the sum of its proper divisors (15339304).

20452396 is a wasteful number, since it uses less digits than its factorization.

20452396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5113103 (or 5113101 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 20452396 is about 4522.4325312823. The cubic root of 20452396 is about 273.4731738664.

Adding to 20452396 its reverse (69325402), we get a palindrome (89777798).

The spelling of 20452396 in words is "twenty million, four hundred fifty-two thousand, three hundred ninety-six".