8204020628 has 6 divisors (see below), whose sum is σ = 14357036106. Its totient is φ = 4102010312.

The previous prime is 8204020603. The next prime is 8204020651. The reversal of 8204020628 is 8260204028.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6880370704 + 1323649924 = 82948^2 + 36382^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8204020594 and 8204020603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1025502575 + ... + 1025502582.

It is an arithmetic number, because the mean of its divisors is an integer number (2392839351).

Almost surely, 2^8204020628 is an apocalyptic number.

It is an amenable number.

8204020628 is a deficient number, since it is larger than the sum of its proper divisors (6153015478).

8204020628 is a wasteful number, since it uses less digits than its factorization.

8204020628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2051005161 (or 2051005159 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 8204020628 is about 90576.0488650283. The cubic root of 8204020628 is about 2016.8592033039.

The spelling of 8204020628 in words is "eight billion, two hundred four million, twenty thousand, six hundred twenty-eight".