200020120320 has 288 divisors, whose sum is σ = 657818884800. Its totient is φ = 51765575680.

The previous prime is 200020120309. The next prime is 200020120337. The reversal of 200020120320 is 23021020002.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 200020120296 and 200020120305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31012456 + ... + 31018904.

It is an arithmetic number, because the mean of its divisors is an integer number (2284093350).

Almost surely, 2^200020120320 is an apocalyptic number.

200020120320 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 200020120320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (328909442400).

200020120320 is an abundant number, since it is smaller than the sum of its proper divisors (457798764480).

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

200020120320 is a wasteful number, since it uses less digits than its factorization.

200020120320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6711 (or 6697 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 200020120320 its reverse (23021020002), we get a palindrome (223041140322).

The spelling of 200020120320 in words is "two hundred billion, twenty million, one hundred twenty thousand, three hundred twenty".