204203101 has 4 divisors (see below), whose sum is σ = 204243804. Its totient is φ = 204162400.

The previous prime is 204203081. The next prime is 204203137. The reversal of 204203101 is 101302402.

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 58155876 + 146047225 = 7626^2 + 12085^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204203101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204203141) 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, 11560 + ... + 23281.

It is an arithmetic number, because the mean of its divisors is an integer number (51060951).

Almost surely, 2^204203101 is an apocalyptic number.

It is an amenable number.

204203101 is a deficient number, since it is larger than the sum of its proper divisors (40703).

204203101 is an equidigital number, since it uses as much as digits as its factorization.

204203101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40702.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 204203101 is about 14289.9650454436. The cubic root of 204203101 is about 588.8718276626.

Adding to 204203101 its reverse (101302402), we get a palindrome (305505503).

It can be divided in two parts, 204203 and 101, that added together give a square (204304 = 452²).

The spelling of 204203101 in words is "two hundred four million, two hundred three thousand, one hundred one".