109547220120 has 128 divisors (see below), whose sum is σ = 354023792640. Its totient is φ = 26957698560.

The previous prime is 109547220077. The next prime is 109547220131. The reversal of 109547220120 is 21022745901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6929425 + ... + 6945215.

It is an arithmetic number, because the mean of its divisors is an integer number (2765810880).

Almost surely, 2^109547220120 is an apocalyptic number.

109547220120 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 109547220120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177011896320).

109547220120 is an abundant number, since it is smaller than the sum of its proper divisors (244476572520).

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

109547220120 is a wasteful number, since it uses less digits than its factorization.

109547220120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20265 (or 20261 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The spelling of 109547220120 in words is "one hundred nine billion, five hundred forty-seven million, two hundred twenty thousand, one hundred twenty".