6820201420 has 12 divisors (see below), whose sum is σ = 14322423024. Its totient is φ = 2728080560.

The previous prime is 6820201391. The next prime is 6820201429. The reversal of 6820201420 is 241020286.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (6820201429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170505016 + ... + 170505055.

It is an arithmetic number, because the mean of its divisors is an integer number (1193535252).

Almost surely, 2^6820201420 is an apocalyptic number.

It is an amenable number.

6820201420 is an abundant number, since it is smaller than the sum of its proper divisors (7502221604).

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

6820201420 is a wasteful number, since it uses less digits than its factorization.

6820201420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341010080 (or 341010078 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 6820201420 is about 82584.5107753264. The cubic root of 6820201420 is about 1896.4107140620.

The spelling of 6820201420 in words is "six billion, eight hundred twenty million, two hundred one thousand, four hundred twenty".