20222002208987 has 2 divisors, whose sum is σ = 20222002208988. Its totient is φ = 20222002208986.

The previous prime is 20222002208983. The next prime is 20222002209011. The reversal of 20222002208987 is 78980220022202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20222002208987 - 2² = 20222002208983 is a prime.

It is not a weakly prime, because it can be changed into another prime (20222002208983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10111001104493 + 10111001104494.

It is an arithmetic number, because the mean of its divisors is an integer number (10111001104494).

Almost surely, 2^{20222002208987} is an apocalyptic number.

20222002208987 is a deficient number, since it is larger than the sum of its proper divisors (1).

20222002208987 is an equidigital number, since it uses as much as digits as its factorization.

20222002208987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 258048, while the sum is 44.

The spelling of 20222002208987 in words is "twenty trillion, two hundred twenty-two billion, two million, two hundred eight thousand, nine hundred eighty-seven".