2000030021 has 8 divisors (see below), whose sum is σ = 2276714304. Its totient is φ = 1739156320.

The previous prime is 2000030017. The next prime is 2000030063. The reversal of 2000030021 is 1200300002.

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

It is not a de Polignac number, because 2000030021 - 2² = 2000030017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2000029990 and 2000030008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000030821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3952376 + ... + 3952881.

It is an arithmetic number, because the mean of its divisors is an integer number (284589288).

Almost surely, 2^2000030021 is an apocalyptic number.

It is an amenable number.

2000030021 is a deficient number, since it is larger than the sum of its proper divisors (276684283).

2000030021 is a wasteful number, since it uses less digits than its factorization.

2000030021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7905291.

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 2000030021 is about 44721.6951937200. The cubic root of 2000030021 is about 1259.9273538783.

Adding to 2000030021 its reverse (1200300002), we get a palindrome (3200330023).

The spelling of 2000030021 in words is "two billion, thirty thousand, twenty-one".