100820704 has 24 divisors (see below), whose sum is σ = 205337160. Its totient is φ = 48671616.

The previous prime is 100820677. The next prime is 100820717. The reversal of 100820704 is 407028001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53394 + ... + 55249.

It is an arithmetic number, because the mean of its divisors is an integer number (8555715).

Almost surely, 2^100820704 is an apocalyptic number.

It is an amenable number.

100820704 is an abundant number, since it is smaller than the sum of its proper divisors (104516456).

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

100820704 is a wasteful number, since it uses less digits than its factorization.

100820704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108682 (or 108674 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 100820704 is about 10040.9513493493. The cubic root of 100820704 is about 465.4252155480.

Adding to 100820704 its reverse (407028001), we get a palindrome (507848705).

It can be divided in two parts, 1008 and 20704, that added together give a palindrome (21712).

The spelling of 100820704 in words is "one hundred million, eight hundred twenty thousand, seven hundred four".