100920436 has 12 divisors (see below), whose sum is σ = 177033220. Its totient is φ = 50339520.

The previous prime is 100920409. The next prime is 100920451. The reversal of 100920436 is 634029001.

It can be written as a sum of positive squares in 2 ways, for example, as 2910436 + 98010000 = 1706^2 + 9900^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 100920436.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 28281 + ... + 31648.

Almost surely, 2^100920436 is an apocalyptic number.

It is an amenable number.

100920436 is a deficient number, since it is larger than the sum of its proper divisors (76112784).

100920436 is a wasteful number, since it uses less digits than its factorization.

100920436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60354 (or 60352 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 100920436 is about 10045.9163842827. The cubic root of 100920436 is about 465.5786314260.

Adding to 100920436 its reverse (634029001), we get a palindrome (734949437).

The spelling of 100920436 in words is "one hundred million, nine hundred twenty thousand, four hundred thirty-six".