19380120 has 64 divisors (see below), whose sum is σ = 60156000. Its totient is φ = 4988928.

The previous prime is 19380107. The next prime is 19380131. The reversal of 19380120 is 2108391.

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

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, 696 + ... + 6264.

Almost surely, 2^19380120 is an apocalyptic number.

19380120 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 19380120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30078000).

19380120 is an abundant number, since it is smaller than the sum of its proper divisors (40775880).

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

19380120 is a wasteful number, since it uses less digits than its factorization.

19380120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5612 (or 5608 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 19380120 is about 4402.2857699154. The cubic root of 19380120 is about 268.6079241831.

The spelling of 19380120 in words is "nineteen million, three hundred eighty thousand, one hundred twenty".