2021320302 has 8 divisors (see below), whose sum is σ = 4042640616. Its totient is φ = 673773432.

The previous prime is 2021320289. The next prime is 2021320309. The reversal of 2021320302 is 2030231202.

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

2021320302 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021320309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168443353 + ... + 168443364.

It is an arithmetic number, because the mean of its divisors is an integer number (505330077).

Almost surely, 2^2021320302 is an apocalyptic number.

2021320302 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2021320302 is a wasteful number, since it uses less digits than its factorization.

2021320302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336886722.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2021320302 is about 44959.0958761406. The cubic root of 2021320302 is about 1264.3822178873.

Adding to 2021320302 its reverse (2030231202), we get a palindrome (4051551504).

The spelling of 2021320302 in words is "two billion, twenty-one million, three hundred twenty thousand, three hundred two".