220030349 has 32 divisors (see below), whose sum is σ = 281014272. Its totient is φ = 167328000.

The previous prime is 220030289. The next prime is 220030367. The reversal of 220030349 is 943030022.

It is a de Polignac number, because none of the positive numbers 2^k-220030349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220030649) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 912869 + ... + 913109.

It is an arithmetic number, because the mean of its divisors is an integer number (8781696).

Almost surely, 2^220030349 is an apocalyptic number.

It is an amenable number.

220030349 is a deficient number, since it is larger than the sum of its proper divisors (60983923).

220030349 is a wasteful number, since it uses less digits than its factorization.

220030349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 220030349 is about 14833.4200034921. The cubic root of 220030349 is about 603.7088316714.

The spelling of 220030349 in words is "two hundred twenty million, thirty thousand, three hundred forty-nine".