8220052125 has 48 divisors (see below), whose sum is σ = 15366886080. Its totient is φ = 4384011600.

The previous prime is 8220052121. The next prime is 8220052153. The reversal of 8220052125 is 5212500228.

It is not a de Polignac number, because 8220052125 - 2² = 8220052121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8220052121) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 104935 + ... + 165684.

It is an arithmetic number, because the mean of its divisors is an integer number (320143460).

Almost surely, 2^8220052125 is an apocalyptic number.

It is an amenable number.

8220052125 is a deficient number, since it is larger than the sum of its proper divisors (7146833955).

8220052125 is an equidigital number, since it uses as much as digits as its factorization.

8220052125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270649 (or 270627 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 8220052125 is about 90664.5031145045. The cubic root of 8220052125 is about 2018.1720650385.

The spelling of 8220052125 in words is "eight billion, two hundred twenty million, fifty-two thousand, one hundred twenty-five".