109935820 has 24 divisors (see below), whose sum is σ = 235779264. Its totient is φ = 43038336.

The previous prime is 109935817. The next prime is 109935829. The reversal of 109935820 is 28539901.

It is a self number, because there is not a number n which added to its sum of digits gives 109935820.

It is not an unprimeable number, because it can be changed into a prime (109935829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57537 + ... + 59416.

It is an arithmetic number, because the mean of its divisors is an integer number (9824136).

Almost surely, 2^109935820 is an apocalyptic number.

109935820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109935820 is an abundant number, since it is smaller than the sum of its proper divisors (125843444).

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

109935820 is a wasteful number, since it uses less digits than its factorization.

109935820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117009 (or 117007 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 109935820 is about 10485.0283738290. The cubic root of 109935820 is about 479.0487817207.

The spelling of 109935820 in words is "one hundred nine million, nine hundred thirty-five thousand, eight hundred twenty".