220828965 has 32 divisors (see below), whose sum is σ = 416833536. Its totient is φ = 97692480.

The previous prime is 220828961. The next prime is 220828969. The reversal of 220828965 is 569828022.

It is an interprime number because it is at equal distance from previous prime (220828961) and next prime (220828969).

It is not a de Polignac number, because 220828965 - 2² = 220828961 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220828961) 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 31 ways as a sum of consecutive naturals, for example, 30667 + ... + 37176.

It is an arithmetic number, because the mean of its divisors is an integer number (13026048).

Almost surely, 2^220828965 is an apocalyptic number.

It is an amenable number.

220828965 is a deficient number, since it is larger than the sum of its proper divisors (196004571).

220828965 is a wasteful number, since it uses less digits than its factorization.

220828965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67889.

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 220828965 is about 14860.3151043307. The cubic root of 220828965 is about 604.4383513301.

The spelling of 220828965 in words is "two hundred twenty million, eight hundred twenty-eight thousand, nine hundred sixty-five".