200120220020 has 24 divisors (see below), whose sum is σ = 480288528384. Its totient is φ = 68612646816.

The previous prime is 200120219953. The next prime is 200120220023. The reversal of 200120220020 is 20022021002.

It is a junction number, because it is equal to n+sod(n) for n = 200120219983 and 200120220010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200120220023) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 714714932 + ... + 714715211.

It is an arithmetic number, because the mean of its divisors is an integer number (20012022016).

Almost surely, 2^200120220020 is an apocalyptic number.

200120220020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200120220020 is an abundant number, since it is smaller than the sum of its proper divisors (280168308364).

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

200120220020 is a wasteful number, since it uses less digits than its factorization.

200120220020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1429430159 (or 1429430157 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 200120220020 its reverse (20022021002), we get a palindrome (220142241022).

The spelling of 200120220020 in words is "two hundred billion, one hundred twenty million, two hundred twenty thousand, twenty".