20199482 has 4 divisors (see below), whose sum is σ = 30299226. Its totient is φ = 10099740.

The previous prime is 20199481. The next prime is 20199493. The reversal of 20199482 is 28499102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12752041 + 7447441 = 3571^2 + 2729^2 .

It is not an unprimeable number, because it can be changed into a prime (20199481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5049869 + ... + 5049872.

Almost surely, 2^20199482 is an apocalyptic number.

20199482 is a deficient number, since it is larger than the sum of its proper divisors (10099744).

20199482 is a wasteful number, since it uses less digits than its factorization.

20199482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10099743.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 20199482 is about 4494.3833837357. The cubic root of 20199482 is about 272.3412401837.

The spelling of 20199482 in words is "twenty million, one hundred ninety-nine thousand, four hundred eighty-two".