220655383 has 16 divisors (see below), whose sum is σ = 245064736. Its totient is φ = 197354880.

The previous prime is 220655363. The next prime is 220655387. The reversal of 220655383 is 383556022.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220655383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220655387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135313 + ... + 136933.

It is an arithmetic number, because the mean of its divisors is an integer number (15316546).

Almost surely, 2^220655383 is an apocalyptic number.

220655383 is a deficient number, since it is larger than the sum of its proper divisors (24409353).

220655383 is a wasteful number, since it uses less digits than its factorization.

220655383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1954.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 220655383 is about 14854.4735012723. The cubic root of 220655383 is about 604.2799374486.

The spelling of 220655383 in words is "two hundred twenty million, six hundred fifty-five thousand, three hundred eighty-three".