204100034 has 4 divisors (see below), whose sum is σ = 306150054. Its totient is φ = 102050016.

The previous prime is 204100031. The next prime is 204100067. The reversal of 204100034 is 430001402.

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

It can be written as a sum of positive squares in only one way, i.e., 204061225 + 38809 = 14285^2 + 197^2 .

It is a junction number, because it is equal to n+sod(n) for n = 204099991 and 204100018.

It is not an unprimeable number, because it can be changed into a prime (204100031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51025007 + ... + 51025010.

Almost surely, 2^204100034 is an apocalyptic number.

204100034 is a deficient number, since it is larger than the sum of its proper divisors (102050020).

204100034 is a wasteful number, since it uses less digits than its factorization.

204100034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102050019.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 204100034 is about 14286.3583183399. The cubic root of 204100034 is about 588.7727376448.

Adding to 204100034 its reverse (430001402), we get a palindrome (634101436).

The spelling of 204100034 in words is "two hundred four million, one hundred thousand, thirty-four".