220380635 has 8 divisors (see below), whose sum is σ = 268939440. Its totient is φ = 173316064.

The previous prime is 220380613. The next prime is 220380659. The reversal of 220380635 is 536083022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 220380635 - 2¹⁰ = 220379611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220380598 and 220380607.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 373232 + ... + 373821.

It is an arithmetic number, because the mean of its divisors is an integer number (33617430).

Almost surely, 2^220380635 is an apocalyptic number.

220380635 is a deficient number, since it is larger than the sum of its proper divisors (48558805).

220380635 is an equidigital number, since it uses as much as digits as its factorization.

220380635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747117.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 220380635 is about 14845.2226322140. Note that the first 3 decimals coincide. The cubic root of 220380635 is about 604.0290278507.

The spelling of 220380635 in words is "two hundred twenty million, three hundred eighty thousand, six hundred thirty-five".