820130046 has 16 divisors (see below), whose sum is σ = 1640738064. Its totient is φ = 273297024.

The previous prime is 820130029. The next prime is 820130057. The reversal of 820130046 is 640031028.

It is a happy number.

820130046 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×820130046² = 1345226584703924232, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 820129998 and 820130025.

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, 4740 + ... + 40776.

It is an arithmetic number, because the mean of its divisors is an integer number (102546129).

Almost surely, 2^820130046 is an apocalyptic number.

820130046 is an abundant number, since it is smaller than the sum of its proper divisors (820608018).

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

820130046 is a wasteful number, since it uses less digits than its factorization.

820130046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39835.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 820130046 is about 28637.9127381868. The cubic root of 820130046 is about 936.0396400956.

The spelling of 820130046 in words is "eight hundred twenty million, one hundred thirty thousand, forty-six".