10820011 has 4 divisors (see below), whose sum is σ = 11050272. Its totient is φ = 10589752.

The previous prime is 10820009. The next prime is 10820027. The reversal of 10820011 is 11002801.

10820011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 10820011 - 2¹ = 10820009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10819973 and 10820000.

It is not an unprimeable number, because it can be changed into a prime (10820081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115060 + ... + 115153.

It is an arithmetic number, because the mean of its divisors is an integer number (2762568).

Almost surely, 2^10820011 is an apocalyptic number.

10820011 is a deficient number, since it is larger than the sum of its proper divisors (230261).

10820011 is an equidigital number, since it uses as much as digits as its factorization.

10820011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230260.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 10820011 is about 3289.3785127285. The cubic root of 10820011 is about 221.1783263429.

Adding to 10820011 its reverse (11002801), we get a palindrome (21822812).

The spelling of 10820011 in words is "ten million, eight hundred twenty thousand, eleven".