220871430 has 48 divisors (see below), whose sum is σ = 618443280. Its totient is φ = 54368064.

The previous prime is 220871407. The next prime is 220871437. The reversal of 220871430 is 34178022.

220871430 is a `hidden beast` number, since 220 + 8 + 7 + 1 + 430 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 220871394 and 220871403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220871437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 93220 + ... + 95559.

It is an arithmetic number, because the mean of its divisors is an integer number (12884235).

Almost surely, 2^220871430 is an apocalyptic number.

220871430 is an abundant number, since it is smaller than the sum of its proper divisors (397571850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220871430 is a wasteful number, since it uses less digits than its factorization.

220871430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188805 (or 188802 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 220871430 is about 14861.7438411513. The cubic root of 220871430 is about 604.4770929712.

The spelling of 220871430 in words is "two hundred twenty million, eight hundred seventy-one thousand, four hundred thirty".