20219038 has 8 divisors (see below), whose sum is σ = 34661232. Its totient is φ = 8665296.

The previous prime is 20219033. The next prime is 20219077. The reversal of 20219038 is 83091202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20219033) 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 in 3 ways as a sum of consecutive naturals, for example, 722095 + ... + 722122.

It is an arithmetic number, because the mean of its divisors is an integer number (4332654).

Almost surely, 2^20219038 is an apocalyptic number.

20219038 is a deficient number, since it is larger than the sum of its proper divisors (14442194).

20219038 is a wasteful number, since it uses less digits than its factorization.

20219038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1444226.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 20219038 is about 4496.5584617572. The cubic root of 20219038 is about 272.4291003158.

The spelling of 20219038 in words is "twenty million, two hundred nineteen thousand, thirty-eight".