220368775 has 12 divisors (see below), whose sum is σ = 298099224. Its totient is φ = 160268000.

The previous prime is 220368763. The next prime is 220368787. The reversal of 220368775 is 577863022.

220368775 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (220368763) and next prime (220368787).

It is not a de Polignac number, because 220368775 - 2¹³ = 220360583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 400396 + ... + 400945.

It is an arithmetic number, because the mean of its divisors is an integer number (24841602).

Almost surely, 2^220368775 is an apocalyptic number.

220368775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

220368775 is a deficient number, since it is larger than the sum of its proper divisors (77730449).

220368775 is a wasteful number, since it uses less digits than its factorization.

220368775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801362 (or 801357 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 220368775 is about 14844.8231717323. The cubic root of 220368775 is about 604.0181921848.

The spelling of 220368775 in words is "two hundred twenty million, three hundred sixty-eight thousand, seven hundred seventy-five".