820329626 has 8 divisors (see below), whose sum is σ = 1270187904. Its totient is φ = 396933660.

The previous prime is 820329593. The next prime is 820329637. The reversal of 820329626 is 626923028.

820329626 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 820329626.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6615500 + ... + 6615623.

It is an arithmetic number, because the mean of its divisors is an integer number (158773488).

Almost surely, 2^820329626 is an apocalyptic number.

820329626 is a deficient number, since it is larger than the sum of its proper divisors (449858278).

820329626 is a wasteful number, since it uses less digits than its factorization.

820329626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13231156.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 820329626 is about 28641.3970678806. The cubic root of 820329626 is about 936.1155628676.

The spelling of 820329626 in words is "eight hundred twenty million, three hundred twenty-nine thousand, six hundred twenty-six".