204022403544142 has 4 divisors (see below), whose sum is σ = 306033605316216. Its totient is φ = 102011201772070.

The previous prime is 204022403544139. The next prime is 204022403544209. The reversal of 204022403544142 is 241445304220402.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×204022403544142² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51005600886034 + ... + 51005600886037.

It is an arithmetic number, because the mean of its divisors is an integer number (76508401329054).

Almost surely, 2^{204022403544142} is an apocalyptic number.

204022403544142 is a deficient number, since it is larger than the sum of its proper divisors (102011201772074).

204022403544142 is a wasteful number, since it uses less digits than its factorization.

204022403544142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102011201772073.

The product of its (nonzero) digits is 245760, while the sum is 37.

Adding to 204022403544142 its reverse (241445304220402), we get a palindrome (445467707764544).

The spelling of 204022403544142 in words is "two hundred four trillion, twenty-two billion, four hundred three million, five hundred forty-four thousand, one hundred forty-two".