220303243001 has 4 divisors (see below), whose sum is σ = 220310246004. Its totient is φ = 220296240000.

The previous prime is 220303242961. The next prime is 220303243003. The reversal of 220303243001 is 100342303022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 130809528976 + 89493714025 = 361676^2 + 299155^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220303243001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220303243003) 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, 3454100 + ... + 3517301.

It is an arithmetic number, because the mean of its divisors is an integer number (55077561501).

Almost surely, 2^220303243001 is an apocalyptic number.

It is an amenable number.

220303243001 is a deficient number, since it is larger than the sum of its proper divisors (7003003).

220303243001 is an equidigital number, since it uses as much as digits as its factorization.

220303243001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7003002.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 220303243001 its reverse (100342303022), we get a palindrome (320645546023).

The spelling of 220303243001 in words is "two hundred twenty billion, three hundred three million, two hundred forty-three thousand, one".