220002000400 has 120 divisors (see below), whose sum is σ = 650529099584. Its totient is φ = 69626995200.

The previous prime is 220002000389. The next prime is 220002000401. The reversal of 220002000400 is 4000200022.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (220002000401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2985606 + ... + 3058405.

Almost surely, 2^220002000400 is an apocalyptic number.

220002000400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220002000400 is an abundant number, since it is smaller than the sum of its proper divisors (430527099184).

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

220002000400 is a wasteful number, since it uses less digits than its factorization.

220002000400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6044049 (or 6044038 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 10.

Adding to 220002000400 its reverse (4000200022), we get a palindrome (224002200422).

The spelling of 220002000400 in words is "two hundred twenty billion, two million, four hundred", and thus it is an aban number.