2030233021 has 4 divisors (see below), whose sum is σ = 2030492700. Its totient is φ = 2029973344.

The previous prime is 2030233013. The next prime is 2030233057. The reversal of 2030233021 is 1203320302.

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 556440921 + 1473792100 = 23589^2 + 38390^2 .

It is a cyclic number.

It is not a de Polignac number, because 2030233021 - 2³ = 2030233013 is a prime.

It is a super-2 number, since 2×2030233021² = 8243692239117572882, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2030232986 and 2030233004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2030233091) 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, 117736 + ... + 133873.

It is an arithmetic number, because the mean of its divisors is an integer number (507623175).

Almost surely, 2^2030233021 is an apocalyptic number.

It is an amenable number.

2030233021 is a deficient number, since it is larger than the sum of its proper divisors (259679).

2030233021 is an equidigital number, since it uses as much as digits as its factorization.

2030233021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259678.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 2030233021 is about 45058.1071617528. The cubic root of 2030233021 is about 1266.2378632181.

Adding to 2030233021 its reverse (1203320302), we get a palindrome (3233553323).

The spelling of 2030233021 in words is "two billion, thirty million, two hundred thirty-three thousand, twenty-one".