200120000000 has 160 divisors (see below), whose sum is σ = 499910048352. Its totient is φ = 80032000000.

The previous prime is 200119999987. The next prime is 200120000057. The reversal of 200120000000 is 21002.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (5).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39997499 + ... + 40002501.

Almost surely, 2^200120000000 is an apocalyptic number.

200120000000 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 200120000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249955024176).

200120000000 is an abundant number, since it is smaller than the sum of its proper divisors (299790048352).

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

200120000000 is an frugal number, since it uses more digits than its factorization.

200120000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5056 (or 5010 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 5.

Adding to 200120000000 its reverse (21002), we get a palindrome (200120021002).

The spelling of 200120000000 in words is "two hundred billion, one hundred twenty million", and thus it is an aban number.