820430060 has 12 divisors (see below), whose sum is σ = 1722903168. Its totient is φ = 328172016.

The previous prime is 820430057. The next prime is 820430077. The reversal of 820430060 is 60034028.

It is a happy number.

820430060 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20510732 + ... + 20510771.

It is an arithmetic number, because the mean of its divisors is an integer number (143575264).

Almost surely, 2^820430060 is an apocalyptic number.

It is an amenable number.

820430060 is an abundant number, since it is smaller than the sum of its proper divisors (902473108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

820430060 is a wasteful number, since it uses less digits than its factorization.

820430060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41021512 (or 41021510 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 820430060 is about 28643.1503155641. The cubic root of 820430060 is about 936.1537645818.

Adding to 820430060 its reverse (60034028), we get a palindrome (880464088).

The spelling of 820430060 in words is "eight hundred twenty million, four hundred thirty thousand, sixty".