20020003219 has 4 divisors (see below), whose sum is σ = 20099764440. Its totient is φ = 19940242000.

The previous prime is 20020003193. The next prime is 20020003247. The reversal of 20020003219 is 91230002002.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20020003219 is a prime.

It is a super-2 number, since 2×20020003219² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20020003196 and 20020003205.

It is not an unprimeable number, because it can be changed into a prime (20020003319) 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 3 ways as a sum of consecutive naturals, for example, 39880234 + ... + 39880735.

It is an arithmetic number, because the mean of its divisors is an integer number (5024941110).

Almost surely, 2^20020003219 is an apocalyptic number.

20020003219 is a deficient number, since it is larger than the sum of its proper divisors (79761221).

20020003219 is an equidigital number, since it uses as much as digits as its factorization.

20020003219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79761220.

The product of its (nonzero) digits is 216, while the sum is 19.

The spelling of 20020003219 in words is "twenty billion, twenty million, three thousand, two hundred nineteen".