220329475 has 12 divisors (see below), whose sum is σ = 273437856. Its totient is φ = 176115680.

The previous prime is 220329457. The next prime is 220329479. The reversal of 220329475 is 574923022.

It is a happy number.

It is not a de Polignac number, because 220329475 - 2²³ = 211940867 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220329475.

It is not an unprimeable number, because it can be changed into a prime (220329479) 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 11 ways as a sum of consecutive naturals, for example, 34374 + ... + 40276.

It is an arithmetic number, because the mean of its divisors is an integer number (22786488).

Almost surely, 2^220329475 is an apocalyptic number.

220329475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

220329475 is a deficient number, since it is larger than the sum of its proper divisors (53108381).

220329475 is a wasteful number, since it uses less digits than its factorization.

220329475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7406 (or 7401 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 220329475 is about 14843.4994189376. The cubic root of 220329475 is about 603.9822837003.

The spelling of 220329475 in words is "two hundred twenty million, three hundred twenty-nine thousand, four hundred seventy-five".