100820824 has 16 divisors (see below), whose sum is σ = 203580720. Its totient is φ = 46532640.

The previous prime is 100820809. The next prime is 100820933. The reversal of 100820824 is 428028001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 484612 + ... + 484819.

It is an arithmetic number, because the mean of its divisors is an integer number (12723795).

Almost surely, 2^100820824 is an apocalyptic number.

It is an amenable number.

100820824 is an abundant number, since it is smaller than the sum of its proper divisors (102759896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100820824 is a wasteful number, since it uses less digits than its factorization.

100820824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969450 (or 969446 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 100820824 is about 10040.9573248769. The cubic root of 100820824 is about 465.4254002025.

Adding to 100820824 its reverse (428028001), we get a palindrome (528848825).

The spelling of 100820824 in words is "one hundred million, eight hundred twenty thousand, eight hundred twenty-four".