200012021020 has 72 divisors (see below), whose sum is σ = 488693444400. Its totient is φ = 68562547200.

The previous prime is 200012020997. The next prime is 200012021087. The reversal of 200012021020 is 20120210002.

200012021020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 200012020988 and 200012021006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6156820 + ... + 6189220.

It is an arithmetic number, because the mean of its divisors is an integer number (6787408950).

Almost surely, 2^200012021020 is an apocalyptic number.

200012021020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200012021020 is an abundant number, since it is smaller than the sum of its proper divisors (288681423380).

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

200012021020 is a wasteful number, since it uses less digits than its factorization.

200012021020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38723 (or 38714 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 200012021020 its reverse (20120210002), we get a palindrome (220132231022).

The spelling of 200012021020 in words is "two hundred billion, twelve million, twenty-one thousand, twenty".