119728020 has 48 divisors (see below), whose sum is σ = 338224320. Its totient is φ = 31643136.

The previous prime is 119728019. The next prime is 119728033. The reversal of 119728020 is 20827911.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2050 + ... + 15609.

It is an arithmetic number, because the mean of its divisors is an integer number (7046340).

Almost surely, 2^119728020 is an apocalyptic number.

119728020 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 119728020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169112160).

119728020 is an abundant number, since it is smaller than the sum of its proper divisors (218496300).

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

119728020 is a wasteful number, since it uses less digits than its factorization.

119728020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17784 (or 17782 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 119728020 is about 10942.0299761973. The cubic root of 119728020 is about 492.8694883336.

The spelling of 119728020 in words is "one hundred nineteen million, seven hundred twenty-eight thousand, twenty".