300030202021 has 24 divisors (see below), whose sum is σ = 347964350976. Its totient is φ = 256508881920.

The previous prime is 300030202019. The next prime is 300030202051. The reversal of 300030202021 is 120202030003.

It is a happy number.

It is not a de Polignac number, because 300030202021 - 2¹ = 300030202019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 300030201992 and 300030202010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300030202051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4086780 + ... + 4159546.

It is an arithmetic number, because the mean of its divisors is an integer number (14498514624).

Almost surely, 2^300030202021 is an apocalyptic number.

It is an amenable number.

300030202021 is a deficient number, since it is larger than the sum of its proper divisors (47934148955).

300030202021 is a wasteful number, since it uses less digits than its factorization.

300030202021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74109 (or 74092 counting only the distinct ones).

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

Adding to 300030202021 its reverse (120202030003), we get a palindrome (420232232024).

The spelling of 300030202021 in words is "three hundred billion, thirty million, two hundred two thousand, twenty-one".