6820808042 has 8 divisors (see below), whose sum is σ = 10252222176. Its totient is φ = 3403400652.

The previous prime is 6820808041. The next prime is 6820808123. The reversal of 6820808042 is 2408080286.

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

It is a junction number, because it is equal to n+sod(n) for n = 6820807987 and 6820808005.

It is not an unprimeable number, because it can be changed into a prime (6820808041) 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, 3500468 + ... + 3502415.

It is an arithmetic number, because the mean of its divisors is an integer number (1281527772).

Almost surely, 2^6820808042 is an apocalyptic number.

6820808042 is a deficient number, since it is larger than the sum of its proper divisors (3431414134).

6820808042 is a wasteful number, since it uses less digits than its factorization.

6820808042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7003372.

The product of its (nonzero) digits is 49152, while the sum is 38.

The square root of 6820808042 is about 82588.1834283816. The cubic root of 6820808042 is about 1896.4669377365.

The spelling of 6820808042 in words is "six billion, eight hundred twenty million, eight hundred eight thousand, forty-two".