108388289220 has 96 divisors (see below), whose sum is σ = 309400670208. Its totient is φ = 28344235392.

The previous prime is 108388289201. The next prime is 108388289221. The reversal of 108388289220 is 22982883801.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (108388289221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 836007 + ... + 956913.

It is an arithmetic number, because the mean of its divisors is an integer number (3222923648).

Almost surely, 2^108388289220 is an apocalyptic number.

108388289220 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 108388289220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154700335104).

108388289220 is an abundant number, since it is smaller than the sum of its proper divisors (201012380988).

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

108388289220 is a wasteful number, since it uses less digits than its factorization.

108388289220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121209 (or 121207 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 51.

The spelling of 108388289220 in words is "one hundred eight billion, three hundred eighty-eight million, two hundred eighty-nine thousand, two hundred twenty".