220020220087 has 2 divisors, whose sum is σ = 220020220088. Its totient is φ = 220020220086.

The previous prime is 220020220081. The next prime is 220020220093. The reversal of 220020220087 is 780022020022.

It is a happy number.

220020220087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (220020220081) and next prime (220020220093).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220020220087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220020220081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110010110043 + 110010110044.

It is an arithmetic number, because the mean of its divisors is an integer number (110010110044).

Almost surely, 2^220020220087 is an apocalyptic number.

220020220087 is a deficient number, since it is larger than the sum of its proper divisors (1).

220020220087 is an equidigital number, since it uses as much as digits as its factorization.

220020220087 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 25.

The spelling of 220020220087 in words is "two hundred twenty billion, twenty million, two hundred twenty thousand, eighty-seven".