820612488130 has 16 divisors (see below), whose sum is σ = 1490907176640. Its totient is φ = 325177284592.

The previous prime is 820612488119. The next prime is 820612488173. The reversal of 820612488130 is 31884216028.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 383462710 + ... + 383464849.

It is an arithmetic number, because the mean of its divisors is an integer number (93181698540).

Almost surely, 2^820612488130 is an apocalyptic number.

820612488130 is a deficient number, since it is larger than the sum of its proper divisors (670294688510).

820612488130 is a wasteful number, since it uses less digits than its factorization.

820612488130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766927673.

The product of its (nonzero) digits is 147456, while the sum is 43.

The spelling of 820612488130 in words is "eight hundred twenty billion, six hundred twelve million, four hundred eighty-eight thousand, one hundred thirty".