20020320219 has 16 divisors (see below), whose sum is σ = 26862458112. Its totient is φ = 13262584608.

The previous prime is 20020320209. The next prime is 20020320239. The reversal of 20020320219 is 91202302002.

It is not a de Polignac number, because 20020320219 - 2²¹ = 20018223067 is a prime.

It is a super-2 number, since 2×20020320219² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20020320195 and 20020320204.

It is not an unprimeable number, because it can be changed into a prime (20020320209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2367012 + ... + 2375454.

It is an arithmetic number, because the mean of its divisors is an integer number (1678903632).

Almost surely, 2^20020320219 is an apocalyptic number.

20020320219 is a deficient number, since it is larger than the sum of its proper divisors (6842137893).

20020320219 is a wasteful number, since it uses less digits than its factorization.

20020320219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13346.

The product of its (nonzero) digits is 432, while the sum is 21.

The spelling of 20020320219 in words is "twenty billion, twenty million, three hundred twenty thousand, two hundred nineteen".