220208064 has 28 divisors (see below), whose sum is σ = 582634344. Its totient is φ = 73402624.

The previous prime is 220208041. The next prime is 220208069. The reversal of 220208064 is 460802022.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220208069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 573267 + ... + 573650.

Almost surely, 2^220208064 is an apocalyptic number.

220208064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

220208064 is an abundant number, since it is smaller than the sum of its proper divisors (362426280).

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

220208064 is a wasteful number, since it uses less digits than its factorization.

220208064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146932 (or 1146922 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 220208064 is about 14839.4091526583. The cubic root of 220208064 is about 603.8713232603.

The spelling of 220208064 in words is "two hundred twenty million, two hundred eight thousand, sixty-four".