220368901 has 4 divisors (see below), whose sum is σ = 223024032. Its totient is φ = 217713772.

The previous prime is 220368899. The next prime is 220368913. The reversal of 220368901 is 109863022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 220368901 - 2¹ = 220368899 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220368601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1327441 + ... + 1327606.

It is an arithmetic number, because the mean of its divisors is an integer number (55756008).

Almost surely, 2^220368901 is an apocalyptic number.

It is an amenable number.

220368901 is a deficient number, since it is larger than the sum of its proper divisors (2655131).

220368901 is an equidigital number, since it uses as much as digits as its factorization.

220368901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2655130.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 220368901 is about 14844.8274156354. The cubic root of 220368901 is about 604.0183073044.

The spelling of 220368901 in words is "two hundred twenty million, three hundred sixty-eight thousand, nine hundred one".