109520520 has 128 divisors (see below), whose sum is σ = 345600000. Its totient is φ = 27728640.

The previous prime is 109520519. The next prime is 109520533. The reversal of 109520520 is 25025901.

It is a Harshad number since it is a multiple of its sum of digits (24).

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 31 ways as a sum of consecutive naturals, for example, 219231 + ... + 219729.

It is an arithmetic number, because the mean of its divisors is an integer number (2700000).

Almost surely, 2^109520520 is an apocalyptic number.

109520520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109520520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172800000).

109520520 is an abundant number, since it is smaller than the sum of its proper divisors (236079480).

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

109520520 is a wasteful number, since it uses less digits than its factorization.

109520520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603 (or 599 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 109520520 is about 10465.2052058237. The cubic root of 109520520 is about 478.4447929372. Note that the first 3 decimals are identical.

The spelling of 109520520 in words is "one hundred nine million, five hundred twenty thousand, five hundred twenty".