20020122219 has 4 divisors (see below), whose sum is σ = 26693496296. Its totient is φ = 13346748144.

The previous prime is 20020122211. The next prime is 20020122271. The reversal of 20020122219 is 91222102002.

It is a happy number.

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

It is not a de Polignac number, because 20020122219 - 2³ = 20020122211 is a prime.

It is a super-2 number, since 2×20020122219² (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 = 20020122195 and 20020122204.

It is not an unprimeable number, because it can be changed into a prime (20020122211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3336687034 + ... + 3336687039.

It is an arithmetic number, because the mean of its divisors is an integer number (6673374074).

Almost surely, 2^20020122219 is an apocalyptic number.

20020122219 is a deficient number, since it is larger than the sum of its proper divisors (6673374077).

20020122219 is an equidigital number, since it uses as much as digits as its factorization.

20020122219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6673374076.

The product of its (nonzero) digits is 288, while the sum is 21.

The spelling of 20020122219 in words is "twenty billion, twenty million, one hundred twenty-two thousand, two hundred nineteen".