19982260 has 24 divisors (see below), whose sum is σ = 42497280. Its totient is φ = 7891104.

The previous prime is 19982251. The next prime is 19982267. The reversal of 19982260 is 6228991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19982267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4744 + ... + 7903.

It is an arithmetic number, because the mean of its divisors is an integer number (1770720).

Almost surely, 2^19982260 is an apocalyptic number.

19982260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19982260 is an abundant number, since it is smaller than the sum of its proper divisors (22515020).

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

19982260 is a wasteful number, since it uses less digits than its factorization.

19982260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12735 (or 12733 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 19982260 is about 4470.1521226911. The cubic root of 19982260 is about 271.3614816378.

The spelling of 19982260 in words is "nineteen million, nine hundred eighty-two thousand, two hundred sixty".