220103287 has 2 divisors, whose sum is σ = 220103288. Its totient is φ = 220103286.

The previous prime is 220103263. The next prime is 220103309. The reversal of 220103287 is 782301022.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220103287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220103227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110051643 + 110051644.

It is an arithmetic number, because the mean of its divisors is an integer number (110051644).

Almost surely, 2^220103287 is an apocalyptic number.

220103287 is a deficient number, since it is larger than the sum of its proper divisors (1).

220103287 is an equidigital number, since it uses as much as digits as its factorization.

220103287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 220103287 is about 14835.8783696821. The cubic root of 220103287 is about 603.7755322430.

The spelling of 220103287 in words is "two hundred twenty million, one hundred three thousand, two hundred eighty-seven".