100204970 has 24 divisors (see below), whose sum is σ = 191608524. Its totient is φ = 37723136.

The previous prime is 100204969. The next prime is 100204981. The reversal of 100204970 is 79402001.

It can be written as a sum of positive squares in 6 ways, for example, as 46607929 + 53597041 = 6827^2 + 7321^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14447 + ... + 20226.

Almost surely, 2^100204970 is an apocalyptic number.

100204970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100204970 is a deficient number, since it is larger than the sum of its proper divisors (91403554).

100204970 is a wasteful number, since it uses less digits than its factorization.

100204970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34714 (or 34697 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 100204970 is about 10010.2432537876. The cubic root of 100204970 is about 464.4757957558.

Adding to 100204970 its reverse (79402001), we get a palindrome (179606971).

The spelling of 100204970 in words is "one hundred million, two hundred four thousand, nine hundred seventy".