20022220000187 has 2 divisors, whose sum is σ = 20022220000188. Its totient is φ = 20022220000186.

The previous prime is 20022220000171. The next prime is 20022220000201. The reversal of 20022220000187 is 78100002222002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20022220000187 - 2⁴ = 20022220000171 is a prime.

It is not a weakly prime, because it can be changed into another prime (20022220000117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10011110000093 + 10011110000094.

It is an arithmetic number, because the mean of its divisors is an integer number (10011110000094).

Almost surely, 2^{20022220000187} is an apocalyptic number.

20022220000187 is a deficient number, since it is larger than the sum of its proper divisors (1).

20022220000187 is an equidigital number, since it uses as much as digits as its factorization.

20022220000187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1792, while the sum is 26.

Adding to 20022220000187 its reverse (78100002222002), we get a palindrome (98122222222189).

The spelling of 20022220000187 in words is "twenty trillion, twenty-two billion, two hundred twenty million, one hundred eighty-seven", and thus it is an aban number.