220220200019987 has 2 divisors, whose sum is σ = 220220200019988. Its totient is φ = 220220200019986.

The previous prime is 220220200019843. The next prime is 220220200020011. The reversal of 220220200019987 is 789910002022022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220220200019987 - 2⁸ = 220220200019731 is a prime.

It is not a weakly prime, because it can be changed into another prime (220220200019387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110110100009993 + 110110100009994.

It is an arithmetic number, because the mean of its divisors is an integer number (110110100009994).

Almost surely, 2^{220220200019987} is an apocalyptic number.

220220200019987 is a deficient number, since it is larger than the sum of its proper divisors (1).

220220200019987 is an equidigital number, since it uses as much as digits as its factorization.

220220200019987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 44.

The spelling of 220220200019987 in words is "two hundred twenty trillion, two hundred twenty billion, two hundred million, nineteen thousand, nine hundred eighty-seven".