220051143 has 24 divisors (see below), whose sum is σ = 357188832. Its totient is φ = 129526848.

The previous prime is 220051129. The next prime is 220051151. The reversal of 220051143 is 341150022.

It is not a de Polignac number, because 220051143 - 2⁶ = 220051079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220050143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38196 + ... + 43577.

It is an arithmetic number, because the mean of its divisors is an integer number (14882868).

Almost surely, 2^220051143 is an apocalyptic number.

220051143 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

220051143 is a deficient number, since it is larger than the sum of its proper divisors (137137689).

220051143 is a wasteful number, since it uses less digits than its factorization.

220051143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81815 (or 81812 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 220051143 is about 14834.1209041857. The cubic root of 220051143 is about 603.7278489359.

The spelling of 220051143 in words is "two hundred twenty million, fifty-one thousand, one hundred forty-three".