220399301 has 4 divisors (see below), whose sum is σ = 220521504. Its totient is φ = 220277100.

The previous prime is 220399261. The next prime is 220399303. The reversal of 220399301 is 103993022.

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 220399301 - 2¹⁸ = 220137157 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 (220399303) 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, 58355 + ... + 62016.

It is an arithmetic number, because the mean of its divisors is an integer number (55130376).

Almost surely, 2^220399301 is an apocalyptic number.

It is an amenable number.

220399301 is a deficient number, since it is larger than the sum of its proper divisors (122203).

220399301 is a wasteful number, since it uses less digits than its factorization.

220399301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122202.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 220399301 is about 14845.8513060047. The cubic root of 220399301 is about 604.0460809031.

The spelling of 220399301 in words is "two hundred twenty million, three hundred ninety-nine thousand, three hundred one".