220424210209 has 16 divisors (see below), whose sum is σ = 258760889856. Its totient is φ = 183824524800.

The previous prime is 220424210207. The next prime is 220424210231. The reversal of 220424210209 is 902012424022.

It is not a de Polignac number, because 220424210209 - 2¹ = 220424210207 is a prime.

It is a super-2 number, since 2×220424210209² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (220424210207) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 941032 + ... + 1151689.

It is an arithmetic number, because the mean of its divisors is an integer number (16172555616).

Almost surely, 2^220424210209 is an apocalyptic number.

It is an amenable number.

220424210209 is a deficient number, since it is larger than the sum of its proper divisors (38336679647).

220424210209 is a wasteful number, since it uses less digits than its factorization.

220424210209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2093136.

The product of its (nonzero) digits is 4608, while the sum is 28.

The spelling of 220424210209 in words is "two hundred twenty billion, four hundred twenty-four million, two hundred ten thousand, two hundred nine".