820014680 has 16 divisors (see below), whose sum is σ = 1845033120. Its totient is φ = 328005856.

The previous prime is 820014677. The next prime is 820014709. The reversal of 820014680 is 86410028.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10250144 + ... + 10250223.

It is an arithmetic number, because the mean of its divisors is an integer number (115314570).

Almost surely, 2^820014680 is an apocalyptic number.

It is an amenable number.

820014680 is an abundant number, since it is smaller than the sum of its proper divisors (1025018440).

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

820014680 is a wasteful number, since it uses less digits than its factorization.

820014680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20500378 (or 20500374 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 820014680 is about 28635.8984493241. The cubic root of 820014680 is about 935.9957477831.

The spelling of 820014680 in words is "eight hundred twenty million, fourteen thousand, six hundred eighty".