2030230021 has 4 divisors (see below), whose sum is σ = 2095721344. Its totient is φ = 1964738700.

The previous prime is 2030229991. The next prime is 2030230043. The reversal of 2030230021 is 1200320302.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2030230021 - 2²⁵ = 1996675589 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2030229983 and 2030230010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2030230051) 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 in 3 ways as a sum of consecutive naturals, for example, 32745615 + ... + 32745676.

It is an arithmetic number, because the mean of its divisors is an integer number (523930336).

Almost surely, 2^2030230021 is an apocalyptic number.

It is an amenable number.

2030230021 is a deficient number, since it is larger than the sum of its proper divisors (65491323).

2030230021 is an equidigital number, since it uses as much as digits as its factorization.

2030230021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65491322.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 2030230021 is about 45058.0738713940. The cubic root of 2030230021 is about 1266.2372395269.

Adding to 2030230021 its reverse (1200320302), we get a palindrome (3230550323).

The spelling of 2030230021 in words is "two billion, thirty million, two hundred thirty thousand, twenty-one".