3000020000 has 60 divisors (see below), whose sum is σ = 7380548406. Its totient is φ = 1200000000.

The previous prime is 3000019993. The next prime is 3000020017. The reversal of 3000020000 is 200003.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 2676496 + 2997343504 = 1636^2 + 54748^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 55001 + ... + 95000.

Almost surely, 2^3000020000 is an apocalyptic number.

It is an amenable number.

3000020000 is an abundant number, since it is smaller than the sum of its proper divisors (4380528406).

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

3000020000 is an equidigital number, since it uses as much as digits as its factorization.

3000020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150031 (or 150008 counting only the distinct ones).

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

The square root of 3000020000 is about 54772.4383243982. The cubic root of 3000020000 is about 1442.2527752993.

Adding to 3000020000 its reverse (200003), we get a palindrome (3000220003).

The spelling of 3000020000 in words is "three billion, twenty thousand".