204907442 has 8 divisors (see below), whose sum is σ = 307445916. Its totient is φ = 102425472.

The previous prime is 204907441. The next prime is 204907481. The reversal of 204907442 is 244709402.

204907442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 200194201 + 4713241 = 14149^2 + 2171^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 204907399 and 204907408.

It is not an unprimeable number, because it can be changed into a prime (204907441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3443 + ... + 20534.

Almost surely, 2^204907442 is an apocalyptic number.

204907442 is a deficient number, since it is larger than the sum of its proper divisors (102538474).

204907442 is a wasteful number, since it uses less digits than its factorization.

204907442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28252.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 204907442 is about 14314.5884327842. The cubic root of 204907442 is about 589.5480998122.

The spelling of 204907442 in words is "two hundred four million, nine hundred seven thousand, four hundred forty-two".