220851963 has 12 divisors (see below), whose sum is σ = 320681088. Its totient is φ = 146462640.

The previous prime is 220851949. The next prime is 220851977. The reversal of 220851963 is 369158022.

It is an interprime number because it is at equal distance from previous prime (220851949) and next prime (220851977).

It is not a de Polignac number, because 220851963 - 2⁵ = 220851931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220851923) 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 in 11 ways as a sum of consecutive naturals, for example, 62520 + ... + 65957.

It is an arithmetic number, because the mean of its divisors is an integer number (26723424).

Almost surely, 2^220851963 is an apocalyptic number.

220851963 is a deficient number, since it is larger than the sum of its proper divisors (99829125).

220851963 is a wasteful number, since it uses less digits than its factorization.

220851963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128674 (or 128671 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 220851963 is about 14861.0888901184. The cubic root of 220851963 is about 604.4593334669.

The spelling of 220851963 in words is "two hundred twenty million, eight hundred fifty-one thousand, nine hundred sixty-three".