20079219 has 8 divisors (see below), whose sum is σ = 28181440. Its totient is φ = 12681576.

The previous prime is 20079173. The next prime is 20079233. The reversal of 20079219 is 91297002.

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

It is not a de Polignac number, because 20079219 - 2¹¹ = 20077171 is a prime.

It is a super-2 number, since 2×20079219² = 806350071299922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20079239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176077 + ... + 176190.

It is an arithmetic number, because the mean of its divisors is an integer number (3522680).

Almost surely, 2^20079219 is an apocalyptic number.

20079219 is a deficient number, since it is larger than the sum of its proper divisors (8102221).

20079219 is a wasteful number, since it uses less digits than its factorization.

20079219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352289.

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 20079219 is about 4480.9841552945. The cubic root of 20079219 is about 271.7996785929.

The spelling of 20079219 in words is "twenty million, seventy-nine thousand, two hundred nineteen".