200021313232 has 40 divisors (see below), whose sum is σ = 418257682920. Its totient is φ = 92117230080.

The previous prime is 200021313211. The next prime is 200021313257. The reversal of 200021313232 is 232313120002.

It can be written as a sum of positive squares in 4 ways, for example, as 6934892176 + 193086421056 = 83276^2 + 439416^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 947107 + ... + 1138882.

It is an arithmetic number, because the mean of its divisors is an integer number (10456442073).

Almost surely, 2^200021313232 is an apocalyptic number.

It is an amenable number.

200021313232 is an abundant number, since it is smaller than the sum of its proper divisors (218236369688).

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

200021313232 is a wasteful number, since it uses less digits than its factorization.

200021313232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2086471 (or 2086465 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 200021313232 its reverse (232313120002), we get a palindrome (432334433234).

The spelling of 200021313232 in words is "two hundred billion, twenty-one million, three hundred thirteen thousand, two hundred thirty-two".