204243532 has 6 divisors (see below), whose sum is σ = 357426188. Its totient is φ = 102121764.

The previous prime is 204243527. The next prime is 204243539. The reversal of 204243532 is 235342402.

It is a junction number, because it is equal to n+sod(n) for n = 204243497 and 204243506.

It is not an unprimeable number, because it can be changed into a prime (204243539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25530438 + ... + 25530445.

Almost surely, 2^204243532 is an apocalyptic number.

It is an amenable number.

204243532 is a deficient number, since it is larger than the sum of its proper divisors (153182656).

204243532 is a wasteful number, since it uses less digits than its factorization.

204243532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51060887 (or 51060885 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 204243532 is about 14291.3796394890. The cubic root of 204243532 is about 588.9106894715.

Adding to 204243532 its reverse (235342402), we get a palindrome (439585934).

The spelling of 204243532 in words is "two hundred four million, two hundred forty-three thousand, five hundred thirty-two".