220535845 has 8 divisors (see below), whose sum is σ = 276149376. Its totient is φ = 168757776.

The previous prime is 220535839. The next prime is 220535851. The reversal of 220535845 is 548535022.

It is an interprime number because it is at equal distance from previous prime (220535839) and next prime (220535851).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 220535845 - 2³ = 220535837 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 220535845.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 958737 + ... + 958966.

It is an arithmetic number, because the mean of its divisors is an integer number (34518672).

Almost surely, 2^220535845 is an apocalyptic number.

It is an amenable number.

220535845 is a deficient number, since it is larger than the sum of its proper divisors (55613531).

220535845 is a wasteful number, since it uses less digits than its factorization.

220535845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1917731.

The product of its (nonzero) digits is 48000, while the sum is 34.

The square root of 220535845 is about 14850.4493198017. The cubic root of 220535845 is about 604.1707967270.

The spelling of 220535845 in words is "two hundred twenty million, five hundred thirty-five thousand, eight hundred forty-five".