820350107 has 4 divisors (see below), whose sum is σ = 820818240. Its totient is φ = 819881976.

The previous prime is 820350103. The next prime is 820350119. The reversal of 820350107 is 701053028.

820350107 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 820350107 - 2² = 820350103 is a prime.

It is a super-2 number, since 2×820350107² = 1345948596109822898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (820350103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231428 + ... + 234945.

It is an arithmetic number, because the mean of its divisors is an integer number (205204560).

Almost surely, 2^820350107 is an apocalyptic number.

820350107 is a deficient number, since it is larger than the sum of its proper divisors (468133).

820350107 is a wasteful number, since it uses less digits than its factorization.

820350107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468132.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 820350107 is about 28641.7546075655. The cubic root of 820350107 is about 936.1233534040.

The spelling of 820350107 in words is "eight hundred twenty million, three hundred fifty thousand, one hundred seven".