220602540 has 96 divisors (see below), whose sum is σ = 688504320. Its totient is φ = 52448256.

The previous prime is 220602511. The next prime is 220602553. The reversal of 220602540 is 45206022.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 13689 + ... + 25071.

It is an arithmetic number, because the mean of its divisors is an integer number (7171920).

Almost surely, 2^220602540 is an apocalyptic number.

220602540 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 220602540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (344252160).

220602540 is an abundant number, since it is smaller than the sum of its proper divisors (467901780).

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

220602540 is a wasteful number, since it uses less digits than its factorization.

220602540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11431 (or 11429 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 220602540 is about 14852.6947050022. The cubic root of 220602540 is about 604.2316955345.

Adding to 220602540 its reverse (45206022), we get a palindrome (265808562).

The spelling of 220602540 in words is "two hundred twenty million, six hundred two thousand, five hundred forty".