820058990 has 16 divisors (see below), whose sum is σ = 1500305760. Its totient is φ = 322645920.

The previous prime is 820058933. The next prime is 820059001. The reversal of 820058990 is 99850028.

It is a happy number.

820058990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 671570 + ... + 672789.

It is an arithmetic number, because the mean of its divisors is an integer number (93769110).

Almost surely, 2^820058990 is an apocalyptic number.

820058990 is a deficient number, since it is larger than the sum of its proper divisors (680246770).

820058990 is a wasteful number, since it uses less digits than its factorization.

820058990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1344427.

The product of its (nonzero) digits is 51840, while the sum is 41.

The square root of 820058990 is about 28636.6721181076. The cubic root of 820058990 is about 936.0126065156.

The spelling of 820058990 in words is "eight hundred twenty million, fifty-eight thousand, nine hundred ninety".