100204005 has 32 divisors (see below), whose sum is σ = 184112640. Its totient is φ = 46025280.

The previous prime is 100203989. The next prime is 100204009. The reversal of 100204005 is 500402001.

It is not a de Polignac number, because 100204005 - 2⁴ = 100203989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100204009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12847 + ... + 19116.

It is an arithmetic number, because the mean of its divisors is an integer number (5753520).

Almost surely, 2^100204005 is an apocalyptic number.

100204005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100204005 is a deficient number, since it is larger than the sum of its proper divisors (83908635).

100204005 is a wasteful number, since it uses less digits than its factorization.

100204005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32001.

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 100204005 is about 10010.1950530447. The cubic root of 100204005 is about 464.4743047433.

Adding to 100204005 its reverse (500402001), we get a palindrome (600606006).

The spelling of 100204005 in words is "one hundred million, two hundred four thousand, five".