204000020242 has 8 divisors (see below), whose sum is σ = 306005281596. Its totient is φ = 101998259712.

The previous prime is 204000020171. The next prime is 204000020243. The reversal of 204000020242 is 242020000402.

It can be written as a sum of positive squares in 2 ways, for example, as 200380674321 + 3619345921 = 447639^2 + 60161^2 .

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

It is not an unprimeable number, because it can be changed into a prime (204000020243) 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, 724323 + ... + 965734.

Almost surely, 2^204000020242 is an apocalyptic number.

204000020242 is a deficient number, since it is larger than the sum of its proper divisors (102005261354).

204000020242 is a wasteful number, since it uses less digits than its factorization.

204000020242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1750412.

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 204000020242 its reverse (242020000402), we get a palindrome (446020020644).

The spelling of 204000020242 in words is "two hundred four billion, twenty thousand, two hundred forty-two".