220860863911 has 12 divisors (see below), whose sum is σ = 238842447480. Its totient is φ = 203973437360.

The previous prime is 220860863851. The next prime is 220860863921. The reversal of 220860863911 is 119368068022.

It is not a de Polignac number, because 220860863911 - 2¹¹ = 220860861863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220860863921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7183045 + ... + 7213726.

It is an arithmetic number, because the mean of its divisors is an integer number (19903537290).

Almost surely, 2^220860863911 is an apocalyptic number.

220860863911 is a deficient number, since it is larger than the sum of its proper divisors (17981583569).

220860863911 is a wasteful number, since it uses less digits than its factorization.

220860863911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14396846 (or 14396823 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 46.

The spelling of 220860863911 in words is "two hundred twenty billion, eight hundred sixty million, eight hundred sixty-three thousand, nine hundred eleven".