220782795 has 16 divisors (see below), whose sum is σ = 353862432. Its totient is φ = 117547520.

The previous prime is 220782763. The next prime is 220782797. The reversal of 220782795 is 597287022.

It is a happy number.

It is not a de Polignac number, because 220782795 - 2⁵ = 220782763 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (220782797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3516 + ... + 21305.

It is an arithmetic number, because the mean of its divisors is an integer number (22116402).

Almost surely, 2^220782795 is an apocalyptic number.

220782795 is a deficient number, since it is larger than the sum of its proper divisors (133079637).

220782795 is a wasteful number, since it uses less digits than its factorization.

220782795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25422.

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 220782795 is about 14858.7615567382. The cubic root of 220782795 is about 604.3962239099.

The spelling of 220782795 in words is "two hundred twenty million, seven hundred eighty-two thousand, seven hundred ninety-five".