220107744 has 72 divisors (see below), whose sum is σ = 632464560. Its totient is φ = 72603648.

The previous prime is 220107737. The next prime is 220107749. The reversal of 220107744 is 447701022.

It is a happy number.

220107744 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220107749) 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, 23997 + ... + 31875.

It is an arithmetic number, because the mean of its divisors is an integer number (8784230).

Almost surely, 2^220107744 is an apocalyptic number.

220107744 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 220107744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (316232280).

220107744 is an abundant number, since it is smaller than the sum of its proper divisors (412356816).

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

220107744 is a wasteful number, since it uses less digits than its factorization.

220107744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7992 (or 7981 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

The square root of 220107744 is about 14836.0285791043. The cubic root of 220107744 is about 603.7796076166.

Adding to 220107744 its reverse (447701022), we get a palindrome (667808766).

The spelling of 220107744 in words is "two hundred twenty million, one hundred seven thousand, seven hundred forty-four".