8210220107 has 4 divisors (see below), whose sum is σ = 8349376440. Its totient is φ = 8071063776.

The previous prime is 8210220101. The next prime is 8210220157. The reversal of 8210220107 is 7010220128.

8210220107 is digitally balanced in base 3, 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 a de Polignac number, because none of the positive numbers 2^k-8210220107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8210220101) 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, 69578078 + ... + 69578195.

It is an arithmetic number, because the mean of its divisors is an integer number (2087344110).

Almost surely, 2^8210220107 is an apocalyptic number.

8210220107 is a deficient number, since it is larger than the sum of its proper divisors (139156333).

8210220107 is a wasteful number, since it uses less digits than its factorization.

8210220107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139156332.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 8210220107 is about 90610.2649096668. The cubic root of 8210220107 is about 2017.3670976925.

The spelling of 8210220107 in words is "eight billion, two hundred ten million, two hundred twenty thousand, one hundred seven".