8204020004 has 12 divisors (see below), whose sum is σ = 15201566604. Its totient is φ = 3860715264.

The previous prime is 8204020003. The next prime is 8204020039. The reversal of 8204020004 is 4000204028.

It can be written as a sum of positive squares in 2 ways, for example, as 2591013604 + 5613006400 = 50902^2 + 74920^2 .

It is not an unprimeable number, because it can be changed into a prime (8204020003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60323609 + ... + 60323744.

It is an arithmetic number, because the mean of its divisors is an integer number (1266797217).

Almost surely, 2^8204020004 is an apocalyptic number.

It is an amenable number.

8204020004 is a deficient number, since it is larger than the sum of its proper divisors (6997546600).

8204020004 is a wasteful number, since it uses less digits than its factorization.

8204020004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120647374 (or 120647372 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 8204020004 is about 90576.0454204090. The cubic root of 8204020004 is about 2016.8591521696.

The spelling of 8204020004 in words is "eight billion, two hundred four million, twenty thousand, four".