220053240 has 128 divisors (see below), whose sum is σ = 800236800. Its totient is φ = 53343360.

The previous prime is 220053227. The next prime is 220053257. The reversal of 220053240 is 42350022.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2619 + ... + 21141.

It is an arithmetic number, because the mean of its divisors is an integer number (6251850).

Almost surely, 2^220053240 is an apocalyptic number.

220053240 is a gapful number since it is divisible by the number (20) 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 220053240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (400118400).

220053240 is an abundant number, since it is smaller than the sum of its proper divisors (580183560).

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

220053240 is a wasteful number, since it uses less digits than its factorization.

220053240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18554 (or 18544 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 220053240 is about 14834.1915856578. The cubic root of 220053240 is about 603.7297666920.

The spelling of 220053240 in words is "two hundred twenty million, fifty-three thousand, two hundred forty".