300020002000 has 40 divisors (see below), whose sum is σ = 725448369672. Its totient is φ = 120008000000.

The previous prime is 300020001991. The next prime is 300020002003. The reversal of 300020002000 is 200020003.

It can be written as a sum of positive squares in 4 ways, for example, as 87753397824 + 212266604176 = 296232^2 + 460724^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300020002003) 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, 75003001 + ... + 75007000.

Almost surely, 2^300020002000 is an apocalyptic number.

It is an amenable number.

300020002000 is an abundant number, since it is smaller than the sum of its proper divisors (425428367672).

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

300020002000 is a wasteful number, since it uses less digits than its factorization.

300020002000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150010024 (or 150010008 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 7.

Adding to 300020002000 its reverse (200020003), we get a palindrome (300220022003).

The spelling of 300020002000 in words is "three hundred billion, twenty million, two thousand".