109019209320 has 384 divisors, whose sum is σ = 421361740800. Its totient is φ = 23917565952.

The previous prime is 109019209319. The next prime is 109019209399. The reversal of 109019209320 is 23902910901.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 12638529 + ... + 12647151.

It is an arithmetic number, because the mean of its divisors is an integer number (1097296200).

Almost surely, 2^109019209320 is an apocalyptic number.

109019209320 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 109019209320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210680870400).

109019209320 is an abundant number, since it is smaller than the sum of its proper divisors (312342531480).

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

109019209320 is a wasteful number, since it uses less digits than its factorization.

109019209320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8849 (or 8842 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 36.

The spelling of 109019209320 in words is "one hundred nine billion, nineteen million, two hundred nine thousand, three hundred twenty".