220865507143 has 2 divisors, whose sum is σ = 220865507144. Its totient is φ = 220865507142.

The previous prime is 220865507131. The next prime is 220865507167. The reversal of 220865507143 is 341705568022.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220865507143 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220865507143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220865507173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110432753571 + 110432753572.

It is an arithmetic number, because the mean of its divisors is an integer number (110432753572).

Almost surely, 2^220865507143 is an apocalyptic number.

220865507143 is a deficient number, since it is larger than the sum of its proper divisors (1).

220865507143 is an equidigital number, since it uses as much as digits as its factorization.

220865507143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 403200, while the sum is 43.

The spelling of 220865507143 in words is "two hundred twenty billion, eight hundred sixty-five million, five hundred seven thousand, one hundred forty-three".