20196826 has 8 divisors (see below), whose sum is σ = 32625684. Its totient is φ = 9321600.

The previous prime is 20196811. The next prime is 20196851. The reversal of 20196826 is 62869102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19793601 + 403225 = 4449^2 + 635^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 20196791 and 20196800.

It is an unprimeable number.

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, 388375 + ... + 388426.

Almost surely, 2^20196826 is an apocalyptic number.

20196826 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20196826 is a deficient number, since it is larger than the sum of its proper divisors (12428858).

20196826 is a wasteful number, since it uses less digits than its factorization.

20196826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776816.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 20196826 is about 4494.0878941116. The cubic root of 20196826 is about 272.3293030783.

The spelling of 20196826 in words is "twenty million, one hundred ninety-six thousand, eight hundred twenty-six".