300020202021 has 16 divisors (see below), whose sum is σ = 407020259264. Its totient is φ = 196531847424.

The previous prime is 300020202019. The next prime is 300020202071. The reversal of 300020202021 is 120202020003.

It is not a de Polignac number, because 300020202021 - 2¹ = 300020202019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 300020201988 and 300020202006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300020202071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1800100 + ... + 1959693.

It is an arithmetic number, because the mean of its divisors is an integer number (25438766204).

Almost surely, 2^300020202021 is an apocalyptic number.

It is an amenable number.

300020202021 is a deficient number, since it is larger than the sum of its proper divisors (107000057243).

300020202021 is a wasteful number, since it uses less digits than its factorization.

300020202021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3760260.

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 300020202021 its reverse (120202020003), we get a palindrome (420222222024).

The spelling of 300020202021 in words is "three hundred billion, twenty million, two hundred two thousand, twenty-one".