204234101 has 4 divisors (see below), whose sum is σ = 204367500. Its totient is φ = 204100704.

The previous prime is 204234077. The next prime is 204234113. The reversal of 204234101 is 101432402.

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

It can be written as a sum of positive squares in 2 ways, for example, as 24700900 + 179533201 = 4970^2 + 13399^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204234101 is a prime.

It is a super-2 number, since 2×204234101² = 83423136022556402, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 204234101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204234131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64376 + ... + 67473.

It is an arithmetic number, because the mean of its divisors is an integer number (51091875).

Almost surely, 2^204234101 is an apocalyptic number.

It is an amenable number.

204234101 is a deficient number, since it is larger than the sum of its proper divisors (133399).

204234101 is a wasteful number, since it uses less digits than its factorization.

204234101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133398.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 204234101 is about 14291.0496815314. The cubic root of 204234101 is about 588.9016249622.

Adding to 204234101 its reverse (101432402), we get a palindrome (305666503).

The spelling of 204234101 in words is "two hundred four million, two hundred thirty-four thousand, one hundred one".