200020444220 has 96 divisors (see below), whose sum is σ = 435235756032. Its totient is φ = 77163840000.

The previous prime is 200020444199. The next prime is 200020444241. The reversal of 200020444220 is 22444020002.

It is an interprime number because it is at equal distance from previous prime (200020444199) and next prime (200020444241).

It is a super-2 number, since 2×200020444220² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 200020444192 and 200020444201.

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 31 ways as a sum of consecutive naturals, for example, 29107385 + ... + 29114255.

It is an arithmetic number, because the mean of its divisors is an integer number (4533705792).

Almost surely, 2^200020444220 is an apocalyptic number.

200020444220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200020444220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217617878016).

200020444220 is an abundant number, since it is smaller than the sum of its proper divisors (235215311812).

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

200020444220 is a wasteful number, since it uses less digits than its factorization.

200020444220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7323 (or 7321 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 200020444220 its reverse (22444020002), we get a palindrome (222464464222).

The spelling of 200020444220 in words is "two hundred billion, twenty million, four hundred forty-four thousand, two hundred twenty".