2020321312 has 12 divisors (see below), whose sum is σ = 3977507646. Its totient is φ = 1010160640.

The previous prime is 2020321309. The next prime is 2020321313. The reversal of 2020321312 is 2131230202.

It can be written as a sum of positive squares in only one way, i.e., 1957531536 + 62789776 = 44244^2 + 7924^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (2020321313) 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 as a sum of consecutive naturals, namely, 31567489 + ... + 31567552.

Almost surely, 2^2020321312 is an apocalyptic number.

It is an amenable number.

2020321312 is a deficient number, since it is larger than the sum of its proper divisors (1957186334).

2020321312 is an equidigital number, since it uses as much as digits as its factorization.

2020321312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63135051 (or 63135043 counting only the distinct ones).

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

The square root of 2020321312 is about 44947.9845154374. The cubic root of 2020321312 is about 1264.1738865086.

Adding to 2020321312 its reverse (2131230202), we get a palindrome (4151551514).

The spelling of 2020321312 in words is "two billion, twenty million, three hundred twenty-one thousand, three hundred twelve".