109020830 has 16 divisors (see below), whose sum is σ = 207781200. Its totient is φ = 41043072.

The previous prime is 109020827. The next prime is 109020911. The reversal of 109020830 is 38020901.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 109020796 and 109020805.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320480 + ... + 320819.

It is an arithmetic number, because the mean of its divisors is an integer number (12986325).

Almost surely, 2^109020830 is an apocalyptic number.

109020830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

109020830 is a deficient number, since it is larger than the sum of its proper divisors (98760370).

109020830 is a wasteful number, since it uses less digits than its factorization.

109020830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641323.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 109020830 is about 10441.3040373317. The cubic root of 109020830 is about 477.7160448853.

The spelling of 109020830 in words is "one hundred nine million, twenty thousand, eight hundred thirty".