300000020 has 48 divisors (see below), whose sum is σ = 688601088. Its totient is φ = 109294080.

The previous prime is 300000007. The next prime is 300000031. The reversal of 300000020 is 20000003.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (5).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3692 + ... + 24771.

It is an arithmetic number, because the mean of its divisors is an integer number (14345856).

Almost surely, 2^300000020 is an apocalyptic number.

It is an amenable number.

300000020 is an abundant number, since it is smaller than the sum of its proper divisors (388601068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

300000020 is a wasteful number, since it uses less digits than its factorization.

300000020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28520 (or 28518 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 5.

The square root of 300000020 is about 17320.5086530390. The cubic root of 300000020 is about 669.4329649585.

Adding to 300000020 its reverse (20000003), we get a palindrome (320000023).

The spelling of 300000020 in words is "three hundred million, twenty", and thus it is an aban number.