220669863 has 8 divisors (see below), whose sum is σ = 294565488. Its totient is φ = 146943744.

The previous prime is 220669849. The next prime is 220669871. The reversal of 220669863 is 368966022.

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

It is not a de Polignac number, because 220669863 - 2⁴ = 220669847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220669063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39306 + ... + 44567.

It is an arithmetic number, because the mean of its divisors is an integer number (36820686).

Almost surely, 2^220669863 is an apocalyptic number.

220669863 is a deficient number, since it is larger than the sum of its proper divisors (73895625).

220669863 is an equidigital number, since it uses as much as digits as its factorization.

220669863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84753.

The product of its (nonzero) digits is 186624, while the sum is 42.

The square root of 220669863 is about 14854.9608885382. The cubic root of 220669863 is about 604.2931553180.

The spelling of 220669863 in words is "two hundred twenty million, six hundred sixty-nine thousand, eight hundred sixty-three".