220320020113231 has 2 divisors, whose sum is σ = 220320020113232. Its totient is φ = 220320020113230.

The previous prime is 220320020113229. The next prime is 220320020113267. The reversal of 220320020113231 is 132311020023022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220320020113231 - 2¹ = 220320020113229 is a prime.

It is a super-2 number, since 2×220320020113231² (a number of 29 digits) contains 22 as substring.

Together with 220320020113229, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220320020153231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110160010056615 + 110160010056616.

It is an arithmetic number, because the mean of its divisors is an integer number (110160010056616).

Almost surely, 2^{220320020113231} is an apocalyptic number.

220320020113231 is a deficient number, since it is larger than the sum of its proper divisors (1).

220320020113231 is an equidigital number, since it uses as much as digits as its factorization.

220320020113231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 220320020113231 its reverse (132311020023022), we get a palindrome (352631040136253).

The spelling of 220320020113231 in words is "two hundred twenty trillion, three hundred twenty billion, twenty million, one hundred thirteen thousand, two hundred thirty-one".