204130101 has 32 divisors (see below), whose sum is σ = 340727040. Its totient is φ = 105993216.

The previous prime is 204130081. The next prime is 204130109. The reversal of 204130101 is 101031402.

It is a happy number.

204130101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 204130101 - 2¹⁸ = 203867957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204130109) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 495 + ... + 20211.

It is an arithmetic number, because the mean of its divisors is an integer number (10647720).

Almost surely, 2^204130101 is an apocalyptic number.

204130101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

204130101 is a deficient number, since it is larger than the sum of its proper divisors (136596939).

204130101 is a wasteful number, since it uses less digits than its factorization.

204130101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19773.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 204130101 is about 14287.4105771480. The cubic root of 204130101 is about 588.8016479138.

Adding to 204130101 its reverse (101031402), we get a palindrome (305161503).

It can be divided in two parts, 204 and 130101, that added together give a triangular number (130305 = T₅₁₀).

The spelling of 204130101 in words is "two hundred four million, one hundred thirty thousand, one hundred one".