2021320096 has 12 divisors (see below), whose sum is σ = 3979474002. Its totient is φ = 1010660032.

The previous prime is 2021320061. The next prime is 2021320099. The reversal of 2021320096 is 6900231202.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1342196496 + 679123600 = 36636^2 + 26060^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2021320096.

It is not an unprimeable number, because it can be changed into a prime (2021320099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31583095 + ... + 31583158.

Almost surely, 2^2021320096 is an apocalyptic number.

It is an amenable number.

2021320096 is a deficient number, since it is larger than the sum of its proper divisors (1958153906).

2021320096 is an equidigital number, since it uses as much as digits as its factorization.

2021320096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63166263 (or 63166255 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 2021320096 is about 44959.0935851692. The cubic root of 2021320096 is about 1264.3821749347.

Adding to 2021320096 its reverse (6900231202), we get a palindrome (8921551298).

The spelling of 2021320096 in words is "two billion, twenty-one million, three hundred twenty thousand, ninety-six".