2021320006 has 8 divisors (see below), whose sum is σ = 3102491304. Its totient is φ = 987156240.

The previous prime is 2021319947. The next prime is 2021320033. The reversal of 2021320006 is 6000231202.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11751775 + ... + 11751946.

It is an arithmetic number, because the mean of its divisors is an integer number (387811413).

Almost surely, 2^2021320006 is an apocalyptic number.

2021320006 is a deficient number, since it is larger than the sum of its proper divisors (1081171298).

2021320006 is a wasteful number, since it uses less digits than its factorization.

2021320006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23503766.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2021320006 is about 44959.0925842593. The cubic root of 2021320006 is about 1264.3821561690.

Adding to 2021320006 its reverse (6000231202), we get a palindrome (8021551208).

The spelling of 2021320006 in words is "two billion, twenty-one million, three hundred twenty thousand, six".