220343303430 has 128 divisors (see below), whose sum is σ = 654890572800. Its totient is φ = 52391204352.

The previous prime is 220343303417. The next prime is 220343303443. The reversal of 220343303430 is 34303343022.

220343303430 is a `hidden beast` number, since 220 + 3 + 4 + 3 + 3 + 0 + 3 + 430 = 666.

It is an interprime number because it is at equal distance from previous prime (220343303417) and next prime (220343303443).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 220343303394 and 220343303403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1176082 + ... + 1350501.

It is an arithmetic number, because the mean of its divisors is an integer number (5116332600).

Almost surely, 2^220343303430 is an apocalyptic number.

220343303430 is an abundant number, since it is smaller than the sum of its proper divisors (434547269370).

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

220343303430 is a wasteful number, since it uses less digits than its factorization.

220343303430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2526635 (or 2526629 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 27.

Adding to 220343303430 its reverse (34303343022), we get a palindrome (254646646452).

The spelling of 220343303430 in words is "two hundred twenty billion, three hundred forty-three million, three hundred three thousand, four hundred thirty".