705430220 has 48 divisors (see below), whose sum is σ = 1671818400. Its totient is φ = 247672320.

The previous prime is 705430189. The next prime is 705430223. The reversal of 705430220 is 22034507.

It is not an unprimeable number, because it can be changed into a prime (705430223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48905 + ... + 61664.

It is an arithmetic number, because the mean of its divisors is an integer number (34829550).

Almost surely, 2^705430220 is an apocalyptic number.

It is an amenable number.

705430220 is an abundant number, since it is smaller than the sum of its proper divisors (966388180).

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

705430220 is a wasteful number, since it uses less digits than its factorization.

705430220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110618 (or 110616 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 705430220 is about 26559.9363704057. The cubic root of 705430220 is about 890.1940493429.

Adding to 705430220 its reverse (22034507), we get a palindrome (727464727).

The spelling of 705430220 in words is "seven hundred five million, four hundred thirty thousand, two hundred twenty".