204013422135 has 24 divisors (see below), whose sum is σ = 353637610560. Its totient is φ = 108802744512.

The previous prime is 204013422113. The next prime is 204013422143. The reversal of 204013422135 is 531224310402.

204013422135 is a `hidden beast` number, since 2 + 0 + 401 + 3 + 4 + 221 + 35 = 666.

It is not a de Polignac number, because 204013422135 - 2¹¹ = 204013420087 is a prime.

It is a super-2 number, since 2×204013422135² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 204013422099 and 204013422108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1242421 + ... + 1397009.

It is an arithmetic number, because the mean of its divisors is an integer number (14734900440).

Almost surely, 2^204013422135 is an apocalyptic number.

204013422135 is a deficient number, since it is larger than the sum of its proper divisors (149624188425).

204013422135 is a wasteful number, since it uses less digits than its factorization.

204013422135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183927 (or 183924 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 204013422135 its reverse (531224310402), we get a palindrome (735237732537).

The spelling of 204013422135 in words is "two hundred four billion, thirteen million, four hundred twenty-two thousand, one hundred thirty-five".