220535064 has 48 divisors (see below), whose sum is σ = 611858520. Its totient is φ = 71717760.

The previous prime is 220535027. The next prime is 220535093. The reversal of 220535064 is 460535022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34402 + ... + 40305.

Almost surely, 2^220535064 is an apocalyptic number.

220535064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

220535064 is an abundant number, since it is smaller than the sum of its proper divisors (391323456).

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

220535064 is a wasteful number, since it uses less digits than its factorization.

220535064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74760 (or 74753 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 220535064 is about 14850.4230242778. The cubic root of 220535064 is about 604.1700835278.

The spelling of 220535064 in words is "two hundred twenty million, five hundred thirty-five thousand, sixty-four".