820330041 has 8 divisors (see below), whose sum is σ = 1112312160. Its totient is φ = 537617312.

The previous prime is 820330037. The next prime is 820330051. The reversal of 820330041 is 140033028.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 820330041 - 2² = 820330037 is a prime.

It is not an unprimeable number, because it can be changed into a prime (820330001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2317140 + ... + 2317493.

It is an arithmetic number, because the mean of its divisors is an integer number (139039020).

Almost surely, 2^820330041 is an apocalyptic number.

It is an amenable number.

820330041 is a deficient number, since it is larger than the sum of its proper divisors (291982119).

820330041 is a wasteful number, since it uses less digits than its factorization.

820330041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4634695.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 820330041 is about 28641.4043126380. The cubic root of 820330041 is about 936.1157207261.

Adding to 820330041 its reverse (140033028), we get a palindrome (960363069).

The spelling of 820330041 in words is "eight hundred twenty million, three hundred thirty thousand, forty-one".