200021532 has 24 divisors (see below), whose sum is σ = 473684736. Its totient is φ = 65678448.

The previous prime is 200021527. The next prime is 200021539. The reversal of 200021532 is 235120002.

200021532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×200021532² = 80017226527254048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200021539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123588 + ... + 125195.

It is an arithmetic number, because the mean of its divisors is an integer number (19736864).

Almost surely, 2^200021532 is an apocalyptic number.

It is an amenable number.

200021532 is an abundant number, since it is smaller than the sum of its proper divisors (273663204).

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

200021532 is a wasteful number, since it uses less digits than its factorization.

200021532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248857 (or 248855 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 200021532 is about 14142.8968744031. The cubic root of 200021532 is about 584.8245335395.

Adding to 200021532 its reverse (235120002), we get a palindrome (435141534).

It can be divided in two parts, 2000 and 21532, that added together give a palindrome (23532).

The spelling of 200021532 in words is "two hundred million, twenty-one thousand, five hundred thirty-two".