220420310 has 32 divisors (see below), whose sum is σ = 433527552. Its totient is φ = 80022880.

The previous prime is 220420297. The next prime is 220420313. The reversal of 220420310 is 13024022.

220420310 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×220420310² = 97170226120992200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220420313) 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, 89759 + ... + 92181.

It is an arithmetic number, because the mean of its divisors is an integer number (13547736).

Almost surely, 2^220420310 is an apocalyptic number.

220420310 is a deficient number, since it is larger than the sum of its proper divisors (213107242).

220420310 is a wasteful number, since it uses less digits than its factorization.

220420310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3268.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 220420310 is about 14846.5588605576. The cubic root of 220420310 is about 604.0652733428.

Adding to 220420310 its reverse (13024022), we get a palindrome (233444332).

The spelling of 220420310 in words is "two hundred twenty million, four hundred twenty thousand, three hundred ten".