220312301 has 4 divisors (see below), whose sum is σ = 240340704. Its totient is φ = 200283900.

The previous prime is 220312283. The next prime is 220312307. The reversal of 220312301 is 103213022.

It is a happy number.

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 220312301 - 2⁶ = 220312237 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220312307) 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, 10014185 + ... + 10014206.

It is an arithmetic number, because the mean of its divisors is an integer number (60085176).

Almost surely, 2^220312301 is an apocalyptic number.

It is an amenable number.

220312301 is a deficient number, since it is larger than the sum of its proper divisors (20028403).

220312301 is a wasteful number, since it uses less digits than its factorization.

220312301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20028402.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 220312301 is about 14842.9209052666. The cubic root of 220312301 is about 603.9665904433.

Adding to 220312301 its reverse (103213022), we get a palindrome (323525323).

The spelling of 220312301 in words is "two hundred twenty million, three hundred twelve thousand, three hundred one".