20496835 has 4 divisors (see below), whose sum is σ = 24596208. Its totient is φ = 16397464.

The previous prime is 20496829. The next prime is 20496851. The reversal of 20496835 is 53869402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20496835 - 2⁵ = 20496803 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20496794 and 20496803.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2049679 + ... + 2049688.

It is an arithmetic number, because the mean of its divisors is an integer number (6149052).

Almost surely, 2^20496835 is an apocalyptic number.

20496835 is a deficient number, since it is larger than the sum of its proper divisors (4099373).

20496835 is an equidigital number, since it uses as much as digits as its factorization.

20496835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4099372.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 20496835 is about 4527.3430397972. The cubic root of 20496835 is about 273.6710982409.

The spelling of 20496835 in words is "twenty million, four hundred ninety-six thousand, eight hundred thirty-five".