3200020000 has 60 divisors (see below), whose sum is σ = 7872578406. Its totient is φ = 1280000000.

The previous prime is 3200019997. The next prime is 3200020037. The reversal of 3200020000 is 200023.

It can be written as a sum of positive squares in 5 ways, for example, as 733109776 + 2466910224 = 27076^2 + 49668^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 60001 + ... + 100000.

Almost surely, 2^3200020000 is an apocalyptic number.

It is an amenable number.

3200020000 is an abundant number, since it is smaller than the sum of its proper divisors (4672558406).

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

3200020000 is an equidigital number, since it uses as much as digits as its factorization.

3200020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160031 (or 160008 counting only the distinct ones).

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

The square root of 3200020000 is about 56568.7192713429. The cubic root of 3200020000 is about 1473.6156694760.

Adding to 3200020000 its reverse (200023), we get a palindrome (3200220023).

The spelling of 3200020000 in words is "three billion, two hundred million, twenty thousand".