19883380 has 24 divisors (see below), whose sum is σ = 45551520. Its totient is φ = 7230240.

The previous prime is 19883371. The next prime is 19883399. The reversal of 19883380 is 8338891.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44970 + ... + 45409.

It is an arithmetic number, because the mean of its divisors is an integer number (1897980).

Almost surely, 2^19883380 is an apocalyptic number.

19883380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19883380 is an abundant number, since it is smaller than the sum of its proper divisors (25668140).

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

19883380 is a wasteful number, since it uses less digits than its factorization.

19883380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90399 (or 90397 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 19883380 is about 4459.0783801140. The cubic root of 19883380 is about 270.9131405569.

The spelling of 19883380 in words is "nineteen million, eight hundred eighty-three thousand, three hundred eighty".