109776220 has 24 divisors (see below), whose sum is σ = 230907600. Its totient is φ = 43838592.

The previous prime is 109776209. The next prime is 109776221. The reversal of 109776220 is 22677901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109776221) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 9016 + ... + 17344.

It is an arithmetic number, because the mean of its divisors is an integer number (9621150).

Almost surely, 2^109776220 is an apocalyptic number.

109776220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109776220 is an abundant number, since it is smaller than the sum of its proper divisors (121131380).

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

109776220 is a wasteful number, since it uses less digits than its factorization.

109776220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8997 (or 8995 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 109776220 is about 10477.4147574676. The cubic root of 109776220 is about 478.8168487801.

The spelling of 109776220 in words is "one hundred nine million, seven hundred seventy-six thousand, two hundred twenty".