8820101 has 4 divisors (see below), whose sum is σ = 8986572. Its totient is φ = 8653632.

The previous prime is 8820083. The next prime is 8820121. The reversal of 8820101 is 1010288.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2719201 + 6100900 = 1649^2 + 2470^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8820101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8820121) 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, 83156 + ... + 83261.

It is an arithmetic number, because the mean of its divisors is an integer number (2246643).

Almost surely, 2^8820101 is an apocalyptic number.

It is an amenable number.

8820101 is a deficient number, since it is larger than the sum of its proper divisors (166471).

8820101 is a wasteful number, since it uses less digits than its factorization.

8820101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166470.

The product of its (nonzero) digits is 128, while the sum is 20.

The square root of 8820101 is about 2969.8654851693. The cubic root of 8820101 is about 206.6130994825.

Adding to 8820101 its reverse (1010288), we get a palindrome (9830389).

The spelling of 8820101 in words is "eight million, eight hundred twenty thousand, one hundred one".