20202012219 has 32 divisors (see below), whose sum is σ = 29362291200. Its totient is φ = 12306228480.

The previous prime is 20202012139. The next prime is 20202012239. The reversal of 20202012219 is 91221020202.

It is a happy number.

It is not a de Polignac number, because 20202012219 - 2⁷ = 20202012091 is a prime.

It is a super-2 number, since 2×20202012219² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20202012195 and 20202012204.

It is not an unprimeable number, because it can be changed into a prime (20202012239) 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 31 ways as a sum of consecutive naturals, for example, 1701634 + ... + 1713464.

It is an arithmetic number, because the mean of its divisors is an integer number (917571600).

Almost surely, 2^20202012219 is an apocalyptic number.

20202012219 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

20202012219 is a deficient number, since it is larger than the sum of its proper divisors (9160278981).

20202012219 is a wasteful number, since it uses less digits than its factorization.

20202012219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12915.

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

The spelling of 20202012219 in words is "twenty billion, two hundred two million, twelve thousand, two hundred nineteen".