220365552 has 80 divisors (see below), whose sum is σ = 623031552. Its totient is φ = 66562560.

The previous prime is 220365533. The next prime is 220365557. The reversal of 220365552 is 255563022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220365557) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 256708 + ... + 257564.

Almost surely, 2^220365552 is an apocalyptic number.

220365552 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220365552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (311515776).

220365552 is an abundant number, since it is smaller than the sum of its proper divisors (402666000).

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

220365552 is a wasteful number, since it uses less digits than its factorization.

220365552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1366 (or 1360 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 220365552 is about 14844.7146149732. The cubic root of 220365552 is about 604.0152474843.

The spelling of 220365552 in words is "two hundred twenty million, three hundred sixty-five thousand, five hundred fifty-two".