220203112013 has 4 divisors (see below), whose sum is σ = 220238917728. Its totient is φ = 220167306300.

The previous prime is 220203111979. The next prime is 220203112081. The reversal of 220203112013 is 310211302022.

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 220203112013 - 2³⁰ = 219129370189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220203111982 and 220203112000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220203114013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17893631 + ... + 17905932.

It is an arithmetic number, because the mean of its divisors is an integer number (55059729432).

Almost surely, 2^220203112013 is an apocalyptic number.

It is an amenable number.

220203112013 is a deficient number, since it is larger than the sum of its proper divisors (35805715).

220203112013 is an equidigital number, since it uses as much as digits as its factorization.

220203112013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35805714.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 220203112013 its reverse (310211302022), we get a palindrome (530414414035).

The spelling of 220203112013 in words is "two hundred twenty billion, two hundred three million, one hundred twelve thousand, thirteen".