10820806 has 8 divisors (see below), whose sum is σ = 17186040. Its totient is φ = 5092128.

The previous prime is 10820801. The next prime is 10820807. The reversal of 10820806 is 60802801.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10820801) by changing a digit.

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, 159096 + ... + 159163.

It is an arithmetic number, because the mean of its divisors is an integer number (2148255).

Almost surely, 2^10820806 is an apocalyptic number.

10820806 is a deficient number, since it is larger than the sum of its proper divisors (6365234).

10820806 is a wasteful number, since it uses less digits than its factorization.

10820806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318278.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 10820806 is about 3289.4993540051. The cubic root of 10820806 is about 221.1837432340.

The spelling of 10820806 in words is "ten million, eight hundred twenty thousand, eight hundred six".