109400220 has 60 divisors (see below), whose sum is σ = 343197624. Its totient is φ = 29172960.

The previous prime is 109400171. The next prime is 109400237. The reversal of 109400220 is 22004901.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 109400193 and 109400202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 32146 + ... + 35385.

Almost surely, 2^109400220 is an apocalyptic number.

109400220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109400220 is an abundant number, since it is smaller than the sum of its proper divisors (233797404).

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

109400220 is a wasteful number, since it uses less digits than its factorization.

109400220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67552 (or 67541 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 109400220 is about 10459.4560087989. The cubic root of 109400220 is about 478.2695502964.

The spelling of 109400220 in words is "one hundred nine million, four hundred thousand, two hundred twenty".