20065020219 has 20 divisors (see below), whose sum is σ = 31736831544. Its totient is φ = 12589815744.

The previous prime is 20065020193. The next prime is 20065020247. The reversal of 20065020219 is 91202056002.

20065020219 is a `hidden beast` number, since 2 + 0 + 0 + 650 + 2 + 0 + 2 + 1 + 9 = 666.

It is not a de Polignac number, because 20065020219 - 2⁹ = 20065019707 is a prime.

It is a super-2 number, since 2×20065020219² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 20065020192 and 20065020201.

It is not an unprimeable number, because it can be changed into a prime (20065020259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7284397 + ... + 7287150.

Almost surely, 2^20065020219 is an apocalyptic number.

20065020219 is a deficient number, since it is larger than the sum of its proper divisors (11671811325).

20065020219 is a wasteful number, since it uses less digits than its factorization.

20065020219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14571576 (or 14571567 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The spelling of 20065020219 in words is "twenty billion, sixty-five million, twenty thousand, two hundred nineteen".