220000540 has 12 divisors (see below), whose sum is σ = 462001176. Its totient is φ = 88000208.

The previous prime is 220000537. The next prime is 220000541. The reversal of 220000540 is 45000022.

It is a happy number.

220000540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

220000540 is a modest number, since divided by 540 gives 220 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 220000540.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220000541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5499994 + ... + 5500033.

It is an arithmetic number, because the mean of its divisors is an integer number (38500098).

Almost surely, 2^220000540 is an apocalyptic number.

220000540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220000540 is an abundant number, since it is smaller than the sum of its proper divisors (242000636).

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

220000540 is a wasteful number, since it uses less digits than its factorization.

220000540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11000036 (or 11000034 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 13.

The square root of 220000540 is about 14832.4151775764. The cubic root of 220000540 is about 603.6815676002.

Adding to 220000540 its reverse (45000022), we get a palindrome (265000562).

The spelling of 220000540 in words is "two hundred twenty million, five hundred forty", and thus it is an aban number.