2000221312 has 32 divisors (see below), whose sum is σ = 4158074880. Its totient is φ = 956626176.

The previous prime is 2000221297. The next prime is 2000221319. The reversal of 2000221312 is 2131220002.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 2000221292 and 2000221301.

It is not an unprimeable number, because it can be changed into a prime (2000221319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 336768 + ... + 342655.

It is an arithmetic number, because the mean of its divisors is an integer number (129939840).

Almost surely, 2^2000221312 is an apocalyptic number.

It is an amenable number.

2000221312 is an abundant number, since it is smaller than the sum of its proper divisors (2157853568).

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

2000221312 is an equidigital number, since it uses as much as digits as its factorization.

2000221312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679460 (or 679448 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2000221312 is about 44723.8338249305. The cubic root of 2000221312 is about 1259.9675207887.

Adding to 2000221312 its reverse (2131220002), we get a palindrome (4131441314).

It can be divided in two parts, 20002 and 21312, that multiplied together give a palindrome (426282624).

The spelling of 2000221312 in words is "two billion, two hundred twenty-one thousand, three hundred twelve".