10220545609 has 4 divisors (see below), whose sum is σ = 10222480404. Its totient is φ = 10218610816.

The previous prime is 10220545583. The next prime is 10220545663. The reversal of 10220545609 is 90654502201.

It is a happy number.

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 3276990025 + 6943555584 = 57245^2 + 83328^2 .

It is a cyclic number.

It is not a de Polignac number, because 10220545609 - 2²⁹ = 9683674697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10220545679) by changing a digit.

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, 959452 + ... + 970045.

It is an arithmetic number, because the mean of its divisors is an integer number (2555620101).

Almost surely, 2^10220545609 is an apocalyptic number.

It is an amenable number.

10220545609 is a deficient number, since it is larger than the sum of its proper divisors (1934795).

10220545609 is an equidigital number, since it uses as much as digits as its factorization.

10220545609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1934794.

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 10220545609 in words is "ten billion, two hundred twenty million, five hundred forty-five thousand, six hundred nine".