3820220200 has 24 divisors (see below), whose sum is σ = 8882012430. Its totient is φ = 1528088000.

The previous prime is 3820220197. The next prime is 3820220227. The reversal of 3820220200 is 20220283.

It can be written as a sum of positive squares in 3 ways, for example, as 3167213284 + 653006916 = 56278^2 + 25554^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9550351 + ... + 9550750.

Almost surely, 2^3820220200 is an apocalyptic number.

It is an amenable number.

3820220200 is an abundant number, since it is smaller than the sum of its proper divisors (5061792230).

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

3820220200 is a wasteful number, since it uses less digits than its factorization.

3820220200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19101117 (or 19101108 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 3820220200 is about 61807.9299119458. The cubic root of 3820220200 is about 1563.2537010198.

Adding to 3820220200 its reverse (20220283), we get a palindrome (3840440483).

The spelling of 3820220200 in words is "three billion, eight hundred twenty million, two hundred twenty thousand, two hundred".