204020532 has 90 divisors (see below), whose sum is σ = 548444358. Its totient is φ = 66111552.

The previous prime is 204020501. The next prime is 204020533. The reversal of 204020532 is 235020402.

It can be written as a sum of positive squares in 3 ways, for example, as 86601636 + 117418896 = 9306^2 + 10836^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204020533) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 1871694 + ... + 1871802.

Almost surely, 2^204020532 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204020532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274222179).

204020532 is an abundant number, since it is smaller than the sum of its proper divisors (344423826).

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

204020532 is a wasteful number, since it uses less digits than its factorization.

204020532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 204020532 is about 14283.5756027684. The cubic root of 204020532 is about 588.6962805463.

Adding to 204020532 its reverse (235020402), we get a palindrome (439040934).

The spelling of 204020532 in words is "two hundred four million, twenty thousand, five hundred thirty-two".