220040355 has 16 divisors (see below), whose sum is σ = 353032704. Its totient is φ = 117032160.

The previous prime is 220040351. The next prime is 220040357. The reversal of 220040355 is 553040022.

220040355 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 220040355 - 2² = 220040351 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220040351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14481 + ... + 25490.

It is an arithmetic number, because the mean of its divisors is an integer number (22064544).

Almost surely, 2^220040355 is an apocalyptic number.

220040355 is a deficient number, since it is larger than the sum of its proper divisors (132992349).

220040355 is a wasteful number, since it uses less digits than its factorization.

220040355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40346.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 220040355 is about 14833.7572785859. The cubic root of 220040355 is about 603.7179828621.

Adding to 220040355 its reverse (553040022), we get a palindrome (773080377).

The spelling of 220040355 in words is "two hundred twenty million, forty thousand, three hundred fifty-five".