200021320032 has 24 divisors (see below), whose sum is σ = 525055965336. Its totient is φ = 66673773312.

The previous prime is 200021320027. The next prime is 200021320073. The reversal of 200021320032 is 230023120002.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 200021319993 and 200021320020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1041777613 + ... + 1041777804.

It is an arithmetic number, because the mean of its divisors is an integer number (21877331889).

Almost surely, 2^200021320032 is an apocalyptic number.

It is an amenable number.

200021320032 is an abundant number, since it is smaller than the sum of its proper divisors (325034645304).

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

200021320032 is a wasteful number, since it uses less digits than its factorization.

200021320032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2083555430 (or 2083555422 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 200021320032 its reverse (230023120002), we get a palindrome (430044440034).

The spelling of 200021320032 in words is "two hundred billion, twenty-one million, three hundred twenty thousand, thirty-two".