220201344 has 96 divisors (see below), whose sum is σ = 691296840. Its totient is φ = 66723840.

The previous prime is 220201343. The next prime is 220201381. The reversal of 220201344 is 443102022.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220201343) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3984 + ... + 21360.

Almost surely, 2^220201344 is an apocalyptic number.

220201344 is a gapful number since it is divisible by the number (24) 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 220201344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (345648420).

220201344 is an abundant number, since it is smaller than the sum of its proper divisors (471095496).

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

220201344 is a wasteful number, since it uses less digits than its factorization.

220201344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17408 (or 17393 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 220201344 is about 14839.1827268216. The cubic root of 220201344 is about 603.8651804992.

Adding to 220201344 its reverse (443102022), we get a palindrome (663303366).

The spelling of 220201344 in words is "two hundred twenty million, two hundred one thousand, three hundred forty-four".