300020421 has 8 divisors (see below), whose sum is σ = 400932000. Its totient is φ = 199561232.

The previous prime is 300020407. The next prime is 300020423. The reversal of 300020421 is 124020003.

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

It is a cyclic number.

It is not a de Polignac number, because 300020421 - 2⁵ = 300020389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 300020397 and 300020406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300020423) 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, 111546 + ... + 114203.

It is an arithmetic number, because the mean of its divisors is an integer number (50116500).

Almost surely, 2^300020421 is an apocalyptic number.

It is an amenable number.

300020421 is a deficient number, since it is larger than the sum of its proper divisors (100911579).

300020421 is a wasteful number, since it uses less digits than its factorization.

300020421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226195.

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

The square root of 300020421 is about 17321.0975691496. The cubic root of 300020421 is about 669.4481391712.

Adding to 300020421 its reverse (124020003), we get a palindrome (424040424).

The spelling of 300020421 in words is "three hundred million, twenty thousand, four hundred twenty-one".