220326512 has 40 divisors (see below), whose sum is σ = 497084256. Its totient is φ = 92641536.

The previous prime is 220326481. The next prime is 220326529. The reversal of 220326512 is 215623022.

It is a super-2 number, since 2×220326512² = 97087543780172288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12623 + ... + 24494.

Almost surely, 2^220326512 is an apocalyptic number.

It is an amenable number.

220326512 is an abundant number, since it is smaller than the sum of its proper divisors (276757744).

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

220326512 is a wasteful number, since it uses less digits than its factorization.

220326512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37185 (or 37179 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 220326512 is about 14843.3996106013. The cubic root of 220326512 is about 603.9795762285.

Adding to 220326512 its reverse (215623022), we get a palindrome (435949534).

The spelling of 220326512 in words is "two hundred twenty million, three hundred twenty-six thousand, five hundred twelve".