220041040 has 20 divisors (see below), whose sum is σ = 511595604. Its totient is φ = 88016384.

The previous prime is 220041011. The next prime is 220041049. The reversal of 220041040 is 40140022.

220041040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 98247744 + 121793296 = 9912^2 + 11036^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 220041040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220041049) 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, 1375177 + ... + 1375336.

Almost surely, 2^220041040 is an apocalyptic number.

220041040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220041040 is an abundant number, since it is smaller than the sum of its proper divisors (291554564).

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

220041040 is a wasteful number, since it uses less digits than its factorization.

220041040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2750526 (or 2750520 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 220041040 is about 14833.7803677957. The cubic root of 220041040 is about 603.7186093326.

Adding to 220041040 its reverse (40140022), we get a palindrome (260181062).

The spelling of 220041040 in words is "two hundred twenty million, forty-one thousand, forty".