20000120020200 has 144 divisors (see below), whose sum is σ = 70702178788800. Its totient is φ = 5052661891200.

The previous prime is 20000120020147. The next prime is 20000120020213. The reversal of 20000120020200 is 202002100002.

It is a Harshad number since it is a multiple of its sum of digits (9).

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 35 ways as a sum of consecutive naturals, for example, 292365216 + ... + 292433615.

It is an arithmetic number, because the mean of its divisors is an integer number (490987352700).

Almost surely, 2^{20000120020200} is an apocalyptic number.

20000120020200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20000120020200 is an abundant number, since it is smaller than the sum of its proper divisors (50702058768600).

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

20000120020200 is a wasteful number, since it uses less digits than its factorization.

20000120020200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584798872 (or 584798860 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 20000120020200 its reverse (202002100002), we get a palindrome (20202122120202).

The spelling of 20000120020200 in words is "twenty trillion, one hundred twenty million, twenty thousand, two hundred".