220301232013 has 4 divisors (see below), whose sum is σ = 222955463808. Its totient is φ = 217647000220.

The previous prime is 220301231951. The next prime is 220301232049. The reversal of 220301232013 is 310232103022.

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 220301232013 - 2²⁹ = 219764361101 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 (220301232413) 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, 1327115773 + ... + 1327115938.

It is an arithmetic number, because the mean of its divisors is an integer number (55738865952).

Almost surely, 2^220301232013 is an apocalyptic number.

It is an amenable number.

220301232013 is a deficient number, since it is larger than the sum of its proper divisors (2654231795).

220301232013 is an equidigital number, since it uses as much as digits as its factorization.

220301232013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2654231794.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 220301232013 its reverse (310232103022), we get a palindrome (530533335035).

It can be divided in two parts, 2203012 and 32013, that added together give a square (2235025 = 1495²).

The spelling of 220301232013 in words is "two hundred twenty billion, three hundred one million, two hundred thirty-two thousand, thirteen".