2000711621 has 4 divisors (see below), whose sum is σ = 2021337612. Its totient is φ = 1980085632.

The previous prime is 2000711617. The next prime is 2000711639. The reversal of 2000711621 is 1261170002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1320232225 + 680479396 = 36335^2 + 26086^2 .

It is a cyclic number.

It is not a de Polignac number, because 2000711621 - 2² = 2000711617 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2000711593 and 2000711602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000711641) by changing a digit.

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, 10312850 + ... + 10313043.

It is an arithmetic number, because the mean of its divisors is an integer number (505334403).

Almost surely, 2^2000711621 is an apocalyptic number.

It is an amenable number.

2000711621 is a deficient number, since it is larger than the sum of its proper divisors (20625991).

2000711621 is an equidigital number, since it uses as much as digits as its factorization.

2000711621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20625990.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 2000711621 is about 44729.3150070510. The cubic root of 2000711621 is about 1260.0704632216.

Adding to 2000711621 its reverse (1261170002), we get a palindrome (3261881623).

The spelling of 2000711621 in words is "two billion, seven hundred eleven thousand, six hundred twenty-one".