204021430001442 has 24 divisors (see below), whose sum is σ = 442071005523420. Its totient is φ = 68003362740960.

The previous prime is 204021430001437. The next prime is 204021430001447. The reversal of 204021430001442 is 244100034120402.

204021430001442 is a `hidden beast` number, since 2 + 0 + 4 + 0 + 214 + 3 + 0 + 0 + 0 + 1 + 442 = 666.

It is an interprime number because it is at equal distance from previous prime (204021430001437) and next prime (204021430001447).

It can be written as a sum of positive squares in 2 ways, for example, as 198634662875961 + 5386767125481 = 14093781^2 + 2320941^2 .

It is not an unprimeable number, because it can be changed into a prime (204021430001447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 314716609 + ... + 315364212.

Almost surely, 2^{204021430001442} is an apocalyptic number.

204021430001442 is an abundant number, since it is smaller than the sum of its proper divisors (238049575521978).

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

204021430001442 is a wasteful number, since it uses less digits than its factorization.

204021430001442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630098818 (or 630098815 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 204021430001442 its reverse (244100034120402), we get a palindrome (448121464121844).

The spelling of 204021430001442 in words is "two hundred four trillion, twenty-one billion, four hundred thirty million, one thousand, four hundred forty-two".