204234430104 has 32 divisors (see below), whose sum is σ = 567317862000. Its totient is φ = 68078143296.

The previous prime is 204234430093. The next prime is 204234430109. The reversal of 204234430104 is 401034432402.

It is a happy number.

204234430104 is a `hidden beast` number, since 204 + 2 + 3 + 443 + 0 + 10 + 4 = 666.

It is a super-2 number, since 2×204234430104² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204234430109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 472764669 + ... + 472765100.

Almost surely, 2^204234430104 is an apocalyptic number.

204234430104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

204234430104 is an abundant number, since it is smaller than the sum of its proper divisors (363083431896).

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

204234430104 is a wasteful number, since it uses less digits than its factorization.

204234430104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945529784 (or 945529774 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 204234430104 its reverse (401034432402), we get a palindrome (605268862506).

The spelling of 204234430104 in words is "two hundred four billion, two hundred thirty-four million, four hundred thirty thousand, one hundred four".