220120100287 has 2 divisors, whose sum is σ = 220120100288. Its totient is φ = 220120100286.

The previous prime is 220120100209. The next prime is 220120100309. The reversal of 220120100287 is 782001021022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220120100287 - 2¹⁹ = 220119575999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220120101287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110060050143 + 110060050144.

It is an arithmetic number, because the mean of its divisors is an integer number (110060050144).

Almost surely, 2^220120100287 is an apocalyptic number.

220120100287 is a deficient number, since it is larger than the sum of its proper divisors (1).

220120100287 is an equidigital number, since it uses as much as digits as its factorization.

220120100287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 25.

The spelling of 220120100287 in words is "two hundred twenty billion, one hundred twenty million, one hundred thousand, two hundred eighty-seven".