820710230068 has 48 divisors (see below), whose sum is σ = 1453667181120. Its totient is φ = 405400723200.

The previous prime is 820710230033. The next prime is 820710230113. The reversal of 820710230068 is 860032017028.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 324261963 + ... + 324264493.

It is an arithmetic number, because the mean of its divisors is an integer number (30284732940).

Almost surely, 2^820710230068 is an apocalyptic number.

It is an amenable number.

820710230068 is a deficient number, since it is larger than the sum of its proper divisors (632956951052).

820710230068 is a wasteful number, since it uses less digits than its factorization.

820710230068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4528 (or 4526 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The spelling of 820710230068 in words is "eight hundred twenty billion, seven hundred ten million, two hundred thirty thousand, sixty-eight".