220320995 has 8 divisors (see below), whose sum is σ = 265483680. Its totient is φ = 175524480.

The previous prime is 220320943. The next prime is 220321009. The reversal of 220320995 is 599023022.

It is a happy number.

220320995 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 220320995 - 2⁶ = 220320931 is a prime.

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, 90215 + ... + 92624.

It is an arithmetic number, because the mean of its divisors is an integer number (33185460).

Almost surely, 2^220320995 is an apocalyptic number.

220320995 is a deficient number, since it is larger than the sum of its proper divisors (45162685).

220320995 is a wasteful number, since it uses less digits than its factorization.

220320995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183085.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 220320995 is about 14843.2137692617. The cubic root of 220320995 is about 603.9745349482.

The spelling of 220320995 in words is "two hundred twenty million, three hundred twenty thousand, nine hundred ninety-five".