220200010001987 has 2 divisors, whose sum is σ = 220200010001988. Its totient is φ = 220200010001986.

The previous prime is 220200010001929. The next prime is 220200010002047. The reversal of 220200010001987 is 789100010002022.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220200010001987 is a prime.

It is not a weakly prime, because it can be changed into another prime (220200010001927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110100005000993 + 110100005000994.

It is an arithmetic number, because the mean of its divisors is an integer number (110100005000994).

Almost surely, 2^{220200010001987} is an apocalyptic number.

220200010001987 is a deficient number, since it is larger than the sum of its proper divisors (1).

220200010001987 is an equidigital number, since it uses as much as digits as its factorization.

220200010001987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 32.

The spelling of 220200010001987 in words is "two hundred twenty trillion, two hundred billion, ten million, one thousand, nine hundred eighty-seven".