20202222203987 has 2 divisors, whose sum is σ = 20202222203988. Its totient is φ = 20202222203986.

The previous prime is 20202222203963. The next prime is 20202222204041. The reversal of 20202222203987 is 78930222220202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20202222203987 - 2¹⁴ = 20202222187603 is a prime.

It is not a weakly prime, because it can be changed into another prime (20202222203887) 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 as a sum of consecutive naturals, namely, 10101111101993 + 10101111101994.

It is an arithmetic number, because the mean of its divisors is an integer number (10101111101994).

Almost surely, 2^{20202222203987} is an apocalyptic number.

20202222203987 is a deficient number, since it is larger than the sum of its proper divisors (1).

20202222203987 is an equidigital number, since it uses as much as digits as its factorization.

20202222203987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 193536, while the sum is 41.

The spelling of 20202222203987 in words is "twenty trillion, two hundred two billion, two hundred twenty-two million, two hundred three thousand, nine hundred eighty-seven".