200451521532 has 24 divisors (see below), whose sum is σ = 469660971472. Its totient is φ = 66539923200.

The previous prime is 200451521509. The next prime is 200451521533. The reversal of 200451521532 is 235125154002.

It is a self number, because there is not a number n which added to its sum of digits gives 200451521532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200451521533) 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, 34653319 + ... + 34659102.

Almost surely, 2^200451521532 is an apocalyptic number.

It is an amenable number.

200451521532 is an abundant number, since it is smaller than the sum of its proper divisors (269209449940).

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

200451521532 is a wasteful number, since it uses less digits than its factorization.

200451521532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69312669 (or 69312667 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 200451521532 its reverse (235125154002), we get a palindrome (435576675534).

The spelling of 200451521532 in words is "two hundred billion, four hundred fifty-one million, five hundred twenty-one thousand, five hundred thirty-two".