20020202219489 has 2 divisors, whose sum is σ = 20020202219490. Its totient is φ = 20020202219488.

The previous prime is 20020202219429. The next prime is 20020202219519. The reversal of 20020202219489 is 98491220202002.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15555293760400 + 4464908459089 = 3944020^2 + 2113033^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20020202219489 is a prime.

It is a super-3 number, since 3×20020202219489³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (20020202219419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10010101109744 + 10010101109745.

It is an arithmetic number, because the mean of its divisors is an integer number (10010101109745).

Almost surely, 2^{20020202219489} is an apocalyptic number.

It is an amenable number.

20020202219489 is a deficient number, since it is larger than the sum of its proper divisors (1).

20020202219489 is an equidigital number, since it uses as much as digits as its factorization.

20020202219489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 41.

The spelling of 20020202219489 in words is "twenty trillion, twenty billion, two hundred two million, two hundred nineteen thousand, four hundred eighty-nine".